Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2282 insertions, 0 deletions

diff --git a/netwerk/base/LoadInfo.cpp b/netwerk/base/LoadInfo.cpp
new file mode 100644
index 0000000000..e840a708fd
--- /dev/null
+++ b/netwerk/base/LoadInfo.cpp
@@ -0,0 +1,2282 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/LoadInfo.h"
+
+#include "js/Array.h"               // JS::NewArrayObject
+#include "js/PropertyAndElement.h"  // JS_DefineElement
+#include "mozilla/Assertions.h"
+#include "mozilla/ExpandedPrincipal.h"
+#include "mozilla/dom/CanonicalBrowsingContext.h"
+#include "mozilla/dom/ClientIPCTypes.h"
+#include "mozilla/dom/ClientSource.h"
+#include "mozilla/dom/ContentChild.h"
+#include "mozilla/dom/Performance.h"
+#include "mozilla/dom/PerformanceStorage.h"
+#include "mozilla/dom/BrowserChild.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/dom/BrowsingContext.h"
+#include "mozilla/dom/WindowGlobalParent.h"
+#include "mozilla/net/CookieJarSettings.h"
+#include "mozilla/NullPrincipal.h"
+#include "mozilla/StaticPrefs_network.h"
+#include "mozilla/StaticPrefs_security.h"
+#include "mozIThirdPartyUtil.h"
+#include "ThirdPartyUtil.h"
+#include "nsFrameLoader.h"
+#include "nsFrameLoaderOwner.h"
+#include "nsIContentSecurityPolicy.h"
+#include "nsIDocShell.h"
+#include "mozilla/dom/Document.h"
+#include "nsIHttpChannel.h"
+#include "nsIHttpChannelInternal.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsIScriptElement.h"
+#include "nsISupportsImpl.h"
+#include "nsISupportsUtils.h"
+#include "nsIXPConnect.h"
+#include "nsDocShell.h"
+#include "nsGlobalWindow.h"
+#include "nsMixedContentBlocker.h"
+#include "nsQueryObject.h"
+#include "nsRedirectHistoryEntry.h"
+#include "nsSandboxFlags.h"
+#include "nsICookieService.h"
+
+using namespace mozilla::dom;
+
+namespace mozilla::net {
+
+static nsCString CurrentRemoteType() {
+  MOZ_ASSERT(XRE_IsParentProcess() || XRE_IsContentProcess());
+  if (ContentChild* cc = ContentChild::GetSingleton()) {
+    return nsCString(cc->GetRemoteType());
+  }
+  return NOT_REMOTE_TYPE;
+}
+
+static nsContentPolicyType InternalContentPolicyTypeForFrame(
+    CanonicalBrowsingContext* aBrowsingContext) {
+  const auto& maybeEmbedderElementType =
+      aBrowsingContext->GetEmbedderElementType();
+  MOZ_ASSERT(maybeEmbedderElementType.isSome());
+  auto embedderElementType = maybeEmbedderElementType.value();
+
+  // Assign same type as in nsDocShell::DetermineContentType.
+  // N.B. internal content policy type will never be TYPE_DOCUMENT
+  return embedderElementType.EqualsLiteral("iframe")
+             ? nsIContentPolicy::TYPE_INTERNAL_IFRAME
+             : nsIContentPolicy::TYPE_INTERNAL_FRAME;
+}
+
+/* static */ already_AddRefed<LoadInfo> LoadInfo::CreateForDocument(
+    dom::CanonicalBrowsingContext* aBrowsingContext, nsIURI* aURI,
+    nsIPrincipal* aTriggeringPrincipal, const nsACString& aTriggeringRemoteType,
+    const OriginAttributes& aOriginAttributes, nsSecurityFlags aSecurityFlags,
+    uint32_t aSandboxFlags) {
+  return MakeAndAddRef<LoadInfo>(aBrowsingContext, aURI, aTriggeringPrincipal,
+                                 aTriggeringRemoteType, aOriginAttributes,
+                                 aSecurityFlags, aSandboxFlags);
+}
+
+/* static */ already_AddRefed<LoadInfo> LoadInfo::CreateForFrame(
+    dom::CanonicalBrowsingContext* aBrowsingContext,
+    nsIPrincipal* aTriggeringPrincipal, const nsACString& aTriggeringRemoteType,
+    nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags) {
+  return MakeAndAddRef<LoadInfo>(aBrowsingContext, aTriggeringPrincipal,
+                                 aTriggeringRemoteType, aSecurityFlags,
+                                 aSandboxFlags);
+}
+
+/* static */ already_AddRefed<LoadInfo> LoadInfo::CreateForNonDocument(
+    dom::WindowGlobalParent* aParentWGP, nsIPrincipal* aTriggeringPrincipal,
+    nsContentPolicyType aContentPolicyType, nsSecurityFlags aSecurityFlags,
+    uint32_t aSandboxFlags) {
+  return MakeAndAddRef<LoadInfo>(
+      aParentWGP, aTriggeringPrincipal, aParentWGP->GetRemoteType(),
+      aContentPolicyType, aSecurityFlags, aSandboxFlags);
+}
+
+LoadInfo::LoadInfo(
+    nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
+    nsINode* aLoadingContext, nsSecurityFlags aSecurityFlags,
+    nsContentPolicyType aContentPolicyType,
+    const Maybe<mozilla::dom::ClientInfo>& aLoadingClientInfo,
+    const Maybe<mozilla::dom::ServiceWorkerDescriptor>& aController,
+    uint32_t aSandboxFlags, bool aSkipCheckForBrokenURLOrZeroSized)
+    : mLoadingPrincipal(aLoadingContext ? aLoadingContext->NodePrincipal()
+                                        : aLoadingPrincipal),
+      mTriggeringPrincipal(aTriggeringPrincipal ? aTriggeringPrincipal
+                                                : mLoadingPrincipal.get()),
+      mTriggeringRemoteType(CurrentRemoteType()),
+      mSandboxedNullPrincipalID(nsID::GenerateUUID()),
+      mClientInfo(aLoadingClientInfo),
+      mController(aController),
+      mLoadingContext(do_GetWeakReference(aLoadingContext)),
+      mSecurityFlags(aSecurityFlags),
+      mSandboxFlags(aSandboxFlags),
+      mInternalContentPolicyType(aContentPolicyType),
+      mSkipCheckForBrokenURLOrZeroSized(aSkipCheckForBrokenURLOrZeroSized) {
+  MOZ_ASSERT(mLoadingPrincipal);
+  MOZ_ASSERT(mTriggeringPrincipal);
+
+#ifdef DEBUG
+  // TYPE_DOCUMENT loads initiated by javascript tests will go through
+  // nsIOService and use the wrong constructor.  Don't enforce the
+  // !TYPE_DOCUMENT check in those cases
+  bool skipContentTypeCheck = false;
+  skipContentTypeCheck =
+      Preferences::GetBool("network.loadinfo.skip_type_assertion");
+#endif
+
+  // This constructor shouldn't be used for TYPE_DOCUMENT loads that don't
+  // have a loadingPrincipal
+  MOZ_ASSERT(skipContentTypeCheck || mLoadingPrincipal ||
+             mInternalContentPolicyType != nsIContentPolicy::TYPE_DOCUMENT);
+
+  // We should only get an explicit controller for subresource requests.
+  MOZ_DIAGNOSTIC_ASSERT(aController.isNothing() ||
+                        !nsContentUtils::IsNonSubresourceInternalPolicyType(
+                            mInternalContentPolicyType));
+
+  // TODO(bug 1259873): Above, we initialize mIsThirdPartyContext to false
+  // meaning that consumers of LoadInfo that don't pass a context or pass a
+  // context from which we can't find a window will default to assuming that
+  // they're 1st party. It would be nice if we could default "safe" and assume
+  // that we are 3rd party until proven otherwise.
+
+  // if consumers pass both, aLoadingContext and aLoadingPrincipal
+  // then the loadingPrincipal must be the same as the node's principal
+  MOZ_ASSERT(!aLoadingContext || !aLoadingPrincipal ||
+             aLoadingContext->NodePrincipal() == aLoadingPrincipal);
+
+  // if the load is sandboxed, we can not also inherit the principal
+  if (mSandboxFlags & SANDBOXED_ORIGIN) {
+    mForceInheritPrincipalDropped =
+        (mSecurityFlags & nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL);
+    mSecurityFlags &= ~nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL;
+  }
+
+  ExtContentPolicyType externalType =
+      nsContentUtils::InternalContentPolicyTypeToExternal(aContentPolicyType);
+
+  if (aLoadingContext) {
+    // Ensure that all network requests for a window client have the ClientInfo
+    // properly set.  Workers must currently pass the loading ClientInfo
+    // explicitly. We allow main thread requests to explicitly pass the value as
+    // well.
+    if (mClientInfo.isNothing()) {
+      mClientInfo = aLoadingContext->OwnerDoc()->GetClientInfo();
+    }
+
+    // For subresource loads set the service worker based on the calling
+    // context's controller.  Workers must currently pass the controller in
+    // explicitly.  We allow main thread requests to explicitly pass the value
+    // as well, but otherwise extract from the loading context here.
+    if (mController.isNothing() &&
+        !nsContentUtils::IsNonSubresourceInternalPolicyType(
+            mInternalContentPolicyType)) {
+      mController = aLoadingContext->OwnerDoc()->GetController();
+    }
+
+    nsCOMPtr<nsPIDOMWindowOuter> contextOuter =
+        aLoadingContext->OwnerDoc()->GetWindow();
+    if (contextOuter) {
+      ComputeIsThirdPartyContext(contextOuter);
+      RefPtr<dom::BrowsingContext> bc = contextOuter->GetBrowsingContext();
+      MOZ_ASSERT(bc);
+      mBrowsingContextID = bc->Id();
+
+      nsGlobalWindowInner* innerWindow =
+          nsGlobalWindowInner::Cast(contextOuter->GetCurrentInnerWindow());
+      if (innerWindow) {
+        mTopLevelPrincipal = innerWindow->GetTopLevelAntiTrackingPrincipal();
+
+        if (!mTopLevelPrincipal &&
+            externalType == ExtContentPolicy::TYPE_SUBDOCUMENT && bc->IsTop()) {
+          // If this is the first level iframe, innerWindow is our top-level
+          // principal.
+          mTopLevelPrincipal = innerWindow->GetPrincipal();
+        }
+      }
+
+      // Let's inherit the cookie behavior and permission from the parent
+      // document.
+      mCookieJarSettings = aLoadingContext->OwnerDoc()->CookieJarSettings();
+    }
+
+    mInnerWindowID = aLoadingContext->OwnerDoc()->InnerWindowID();
+    RefPtr<WindowContext> ctx = WindowContext::GetById(mInnerWindowID);
+    if (ctx) {
+      mLoadingEmbedderPolicy = ctx->GetEmbedderPolicy();
+    }
+    mDocumentHasUserInteracted =
+        aLoadingContext->OwnerDoc()->UserHasInteracted();
+
+    // Inherit HTTPS-Only Mode flags from parent document
+    mHttpsOnlyStatus |= aLoadingContext->OwnerDoc()->HttpsOnlyStatus();
+
+    // When the element being loaded is a frame, we choose the frame's window
+    // for the window ID and the frame element's window as the parent
+    // window. This is the behavior that Chrome exposes to add-ons.
+    // NB: If the frameLoaderOwner doesn't have a frame loader, then the load
+    // must be coming from an object (such as a plugin) that's loaded into it
+    // instead of a document being loaded. In that case, treat this object like
+    // any other non-document-loading element.
+    RefPtr<nsFrameLoaderOwner> frameLoaderOwner =
+        do_QueryObject(aLoadingContext);
+    RefPtr<nsFrameLoader> fl =
+        frameLoaderOwner ? frameLoaderOwner->GetFrameLoader() : nullptr;
+    if (fl) {
+      nsCOMPtr<nsIDocShell> docShell = fl->GetDocShell(IgnoreErrors());
+      if (docShell) {
+        nsCOMPtr<nsPIDOMWindowOuter> outerWindow = do_GetInterface(docShell);
+        if (outerWindow) {
+          RefPtr<dom::BrowsingContext> bc = outerWindow->GetBrowsingContext();
+          mFrameBrowsingContextID = bc ? bc->Id() : 0;
+        }
+      }
+    }
+
+    // if the document forces all mixed content to be blocked, then we
+    // store that bit for all requests on the loadinfo.
+    mBlockAllMixedContent =
+        aLoadingContext->OwnerDoc()->GetBlockAllMixedContent(false) ||
+        (nsContentUtils::IsPreloadType(mInternalContentPolicyType) &&
+         aLoadingContext->OwnerDoc()->GetBlockAllMixedContent(true));
+
+    if (mLoadingPrincipal && BasePrincipal::Cast(mTriggeringPrincipal)
+                                 ->OverridesCSP(mLoadingPrincipal)) {
+      // if the load is triggered by an addon which potentially overrides the
+      // CSP of the document, then do not force insecure requests to be
+      // upgraded.
+      mUpgradeInsecureRequests = false;
+    } else {
+      // if the document forces all requests to be upgraded from http to https,
+      // then we should do that for all requests. If it only forces preloads to
+      // be upgraded then we should enforce upgrade insecure requests only for
+      // preloads.
+      mUpgradeInsecureRequests =
+          aLoadingContext->OwnerDoc()->GetUpgradeInsecureRequests(false) ||
+          (nsContentUtils::IsPreloadType(mInternalContentPolicyType) &&
+           aLoadingContext->OwnerDoc()->GetUpgradeInsecureRequests(true));
+    }
+
+    if (nsMixedContentBlocker::IsUpgradableContentType(
+            mInternalContentPolicyType)) {
+      if (mLoadingPrincipal->SchemeIs("https")) {
+        if (StaticPrefs::security_mixed_content_upgrade_display_content()) {
+          mBrowserUpgradeInsecureRequests = true;
+        } else {
+          mBrowserWouldUpgradeInsecureRequests = true;
+        }
+      }
+    }
+  }
+  mOriginAttributes = mLoadingPrincipal->OriginAttributesRef();
+
+  // We need to do this after inheriting the document's origin attributes
+  // above, in case the loading principal ends up being the system principal.
+  if (aLoadingContext) {
+    nsCOMPtr<nsILoadContext> loadContext =
+        aLoadingContext->OwnerDoc()->GetLoadContext();
+    nsCOMPtr<nsIDocShell> docShell = aLoadingContext->OwnerDoc()->GetDocShell();
+    if (loadContext && docShell &&
+        docShell->GetBrowsingContext()->IsContent()) {
+      bool usePrivateBrowsing;
+      nsresult rv = loadContext->GetUsePrivateBrowsing(&usePrivateBrowsing);
+      if (NS_SUCCEEDED(rv)) {
+        mOriginAttributes.SyncAttributesWithPrivateBrowsing(usePrivateBrowsing);
+      }
+    }
+  }
+
+  // For chrome docshell, the mPrivateBrowsingId remains 0 even its
+  // UsePrivateBrowsing() is true, so we only update the mPrivateBrowsingId in
+  // origin attributes if the type of the docshell is content.
+  if (aLoadingContext) {
+    nsCOMPtr<nsIDocShell> docShell = aLoadingContext->OwnerDoc()->GetDocShell();
+    if (docShell) {
+      if (docShell->GetBrowsingContext()->IsChrome()) {
+        MOZ_ASSERT(mOriginAttributes.mPrivateBrowsingId == 0,
+                   "chrome docshell shouldn't have mPrivateBrowsingId set.");
+      }
+    }
+  }
+
+  // in case this is a loadinfo for a parser generated script, then we store
+  // that bit of information so CSP strict-dynamic can query it.
+  if (!nsContentUtils::IsPreloadType(mInternalContentPolicyType)) {
+    nsCOMPtr<nsIScriptElement> script = do_QueryInterface(aLoadingContext);
+    if (script && script->GetParserCreated() != mozilla::dom::NOT_FROM_PARSER) {
+      mParserCreatedScript = true;
+    }
+  }
+}
+
+/* Constructor takes an outer window, but no loadingNode or loadingPrincipal.
+ * This constructor should only be used for TYPE_DOCUMENT loads, since they
+ * have a null loadingNode and loadingPrincipal.
+ */
+LoadInfo::LoadInfo(nsPIDOMWindowOuter* aOuterWindow, nsIURI* aURI,
+                   nsIPrincipal* aTriggeringPrincipal,
+                   nsISupports* aContextForTopLevelLoad,
+                   nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags)
+    : mTriggeringPrincipal(aTriggeringPrincipal),
+      mTriggeringRemoteType(CurrentRemoteType()),
+      mSandboxedNullPrincipalID(nsID::GenerateUUID()),
+      mContextForTopLevelLoad(do_GetWeakReference(aContextForTopLevelLoad)),
+      mSecurityFlags(aSecurityFlags),
+      mSandboxFlags(aSandboxFlags),
+      mInternalContentPolicyType(nsIContentPolicy::TYPE_DOCUMENT) {
+  // Top-level loads are never third-party
+  // Grab the information we can out of the window.
+  MOZ_ASSERT(aOuterWindow);
+  MOZ_ASSERT(mTriggeringPrincipal);
+
+  // if the load is sandboxed, we can not also inherit the principal
+  if (mSandboxFlags & SANDBOXED_ORIGIN) {
+    mForceInheritPrincipalDropped =
+        (mSecurityFlags & nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL);
+    mSecurityFlags &= ~nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL;
+  }
+
+  RefPtr<BrowsingContext> bc = aOuterWindow->GetBrowsingContext();
+  mBrowsingContextID = bc ? bc->Id() : 0;
+
+  // This should be removed in bug 1618557
+  nsGlobalWindowInner* innerWindow =
+      nsGlobalWindowInner::Cast(aOuterWindow->GetCurrentInnerWindow());
+  if (innerWindow) {
+    mTopLevelPrincipal = innerWindow->GetTopLevelAntiTrackingPrincipal();
+  }
+
+  // get the docshell from the outerwindow, and then get the originattributes
+  nsCOMPtr<nsIDocShell> docShell = aOuterWindow->GetDocShell();
+  MOZ_ASSERT(docShell);
+  mOriginAttributes = nsDocShell::Cast(docShell)->GetOriginAttributes();
+
+  // We sometimes use this constructor for security checks for outer windows
+  // that aren't top level.
+  if (aSecurityFlags != nsILoadInfo::SEC_ONLY_FOR_EXPLICIT_CONTENTSEC_CHECK) {
+    MOZ_ASSERT(aOuterWindow->GetBrowsingContext()->IsTop());
+  }
+
+#ifdef DEBUG
+  if (docShell->GetBrowsingContext()->IsChrome()) {
+    MOZ_ASSERT(mOriginAttributes.mPrivateBrowsingId == 0,
+               "chrome docshell shouldn't have mPrivateBrowsingId set.");
+  }
+#endif
+
+  // Let's take the current cookie behavior and current cookie permission
+  // for the documents' loadInfo. Note that for any other loadInfos,
+  // cookieBehavior will be BEHAVIOR_REJECT for security reasons.
+  bool isPrivate = mOriginAttributes.mPrivateBrowsingId > 0;
+  bool shouldResistFingerprinting =
+      nsContentUtils::ShouldResistFingerprinting_dangerous(
+          aURI, mOriginAttributes,
+          "We are creating CookieJarSettings, so we can't have one already.");
+  mCookieJarSettings = CookieJarSettings::Create(
+      isPrivate ? CookieJarSettings::ePrivate : CookieJarSettings::eRegular,
+      shouldResistFingerprinting);
+}
+
+LoadInfo::LoadInfo(dom::CanonicalBrowsingContext* aBrowsingContext,
+                   nsIURI* aURI, nsIPrincipal* aTriggeringPrincipal,
+                   const nsACString& aTriggeringRemoteType,
+                   const OriginAttributes& aOriginAttributes,
+                   nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags)
+    : mTriggeringPrincipal(aTriggeringPrincipal),
+      mTriggeringRemoteType(aTriggeringRemoteType),
+      mSandboxedNullPrincipalID(nsID::GenerateUUID()),
+      mSecurityFlags(aSecurityFlags),
+      mSandboxFlags(aSandboxFlags),
+      mInternalContentPolicyType(nsIContentPolicy::TYPE_DOCUMENT) {
+  // Top-level loads are never third-party
+  // Grab the information we can out of the window.
+  MOZ_ASSERT(aBrowsingContext);
+  MOZ_ASSERT(mTriggeringPrincipal);
+  MOZ_ASSERT(aSecurityFlags !=
+             nsILoadInfo::SEC_ONLY_FOR_EXPLICIT_CONTENTSEC_CHECK);
+
+  // if the load is sandboxed, we can not also inherit the principal
+  if (mSandboxFlags & SANDBOXED_ORIGIN) {
+    mForceInheritPrincipalDropped =
+        (mSecurityFlags & nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL);
+    mSecurityFlags &= ~nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL;
+  }
+
+  mBrowsingContextID = aBrowsingContext->Id();
+  mOriginAttributes = aOriginAttributes;
+
+#ifdef DEBUG
+  if (aBrowsingContext->IsChrome()) {
+    MOZ_ASSERT(mOriginAttributes.mPrivateBrowsingId == 0,
+               "chrome docshell shouldn't have mPrivateBrowsingId set.");
+  }
+#endif
+
+  // If we think we should not resist fingerprinting, defer to the opener's
+  // RFP bit (if there is an opener.)  If the opener is also exempted, it stays
+  // true, otherwise we will put a false into the CJS and that will be respected
+  // on this document.
+  bool shouldResistFingerprinting =
+      nsContentUtils::ShouldResistFingerprinting_dangerous(
+          aURI, mOriginAttributes,
+          "We are creating CookieJarSettings, so we can't have one already.");
+
+  RefPtr<BrowsingContext> opener = aBrowsingContext->GetOpener();
+  if (!shouldResistFingerprinting && opener &&
+      opener->GetCurrentWindowContext()) {
+    shouldResistFingerprinting =
+        opener->GetCurrentWindowContext()->ShouldResistFingerprinting();
+  }
+
+  const bool isPrivate = mOriginAttributes.mPrivateBrowsingId > 0;
+
+  // Let's take the current cookie behavior and current cookie permission
+  // for the documents' loadInfo. Note that for any other loadInfos,
+  // cookieBehavior will be BEHAVIOR_REJECT for security reasons.
+  mCookieJarSettings = CookieJarSettings::Create(
+      isPrivate ? CookieJarSettings::ePrivate : CookieJarSettings::eRegular,
+      shouldResistFingerprinting);
+}
+
+LoadInfo::LoadInfo(dom::WindowGlobalParent* aParentWGP,
+                   nsIPrincipal* aTriggeringPrincipal,
+                   const nsACString& aTriggeringRemoteType,
+                   nsContentPolicyType aContentPolicyType,
+                   nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags)
+    : mTriggeringPrincipal(aTriggeringPrincipal),
+      mTriggeringRemoteType(aTriggeringRemoteType),
+      mSandboxedNullPrincipalID(nsID::GenerateUUID()),
+      mSecurityFlags(aSecurityFlags),
+      mSandboxFlags(aSandboxFlags),
+      mInternalContentPolicyType(aContentPolicyType) {
+  CanonicalBrowsingContext* parentBC = aParentWGP->BrowsingContext();
+  MOZ_ASSERT(parentBC);
+  ComputeAncestors(parentBC, mAncestorPrincipals, mAncestorBrowsingContextIDs);
+
+  RefPtr<WindowGlobalParent> topLevelWGP = aParentWGP->TopWindowContext();
+
+  // if the load is sandboxed, we can not also inherit the principal
+  if (mSandboxFlags & SANDBOXED_ORIGIN) {
+    mForceInheritPrincipalDropped =
+        (mSecurityFlags & nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL);
+    mSecurityFlags &= ~nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL;
+  }
+
+  // Ensure that all network requests for a window client have the ClientInfo
+  // properly set.
+  mClientInfo = aParentWGP->GetClientInfo();
+  mLoadingPrincipal = aParentWGP->DocumentPrincipal();
+  ComputeIsThirdPartyContext(aParentWGP);
+
+  mBrowsingContextID = parentBC->Id();
+
+  // Let's inherit the cookie behavior and permission from the embedder
+  // document.
+  mCookieJarSettings = aParentWGP->CookieJarSettings();
+  if (topLevelWGP->BrowsingContext()->IsTop()) {
+    if (mCookieJarSettings) {
+      bool stopAtOurLevel = mCookieJarSettings->GetCookieBehavior() ==
+                            nsICookieService::BEHAVIOR_REJECT_TRACKER;
+      if (!stopAtOurLevel ||
+          topLevelWGP->OuterWindowId() != aParentWGP->OuterWindowId()) {
+        mTopLevelPrincipal = topLevelWGP->DocumentPrincipal();
+      }
+    }
+  }
+
+  if (!mTopLevelPrincipal && parentBC->IsTop()) {
+    // If this is the first level iframe, embedder WindowGlobalParent's document
+    // principal is our top-level principal.
+    mTopLevelPrincipal = aParentWGP->DocumentPrincipal();
+  }
+
+  mInnerWindowID = aParentWGP->InnerWindowId();
+  mDocumentHasUserInteracted = aParentWGP->DocumentHasUserInteracted();
+
+  // if the document forces all mixed content to be blocked, then we
+  // store that bit for all requests on the loadinfo.
+  mBlockAllMixedContent = aParentWGP->GetDocumentBlockAllMixedContent();
+
+  if (mTopLevelPrincipal && BasePrincipal::Cast(mTriggeringPrincipal)
+                                ->OverridesCSP(mTopLevelPrincipal)) {
+    // if the load is triggered by an addon which potentially overrides the
+    // CSP of the document, then do not force insecure requests to be
+    // upgraded.
+    mUpgradeInsecureRequests = false;
+  } else {
+    // if the document forces all requests to be upgraded from http to https,
+    // then we should do that for all requests. If it only forces preloads to
+    // be upgraded then we should enforce upgrade insecure requests only for
+    // preloads.
+    mUpgradeInsecureRequests = aParentWGP->GetDocumentUpgradeInsecureRequests();
+  }
+  mOriginAttributes = mLoadingPrincipal->OriginAttributesRef();
+
+  // We need to do this after inheriting the document's origin attributes
+  // above, in case the loading principal ends up being the system principal.
+  if (parentBC->IsContent()) {
+    mOriginAttributes.SyncAttributesWithPrivateBrowsing(
+        parentBC->UsePrivateBrowsing());
+  }
+
+  mHttpsOnlyStatus |= aParentWGP->HttpsOnlyStatus();
+
+  // For chrome BC, the mPrivateBrowsingId remains 0 even its
+  // UsePrivateBrowsing() is true, so we only update the mPrivateBrowsingId in
+  // origin attributes if the type of the BC is content.
+  if (parentBC->IsChrome()) {
+    MOZ_ASSERT(mOriginAttributes.mPrivateBrowsingId == 0,
+               "chrome docshell shouldn't have mPrivateBrowsingId set.");
+  }
+
+  RefPtr<WindowContext> ctx = WindowContext::GetById(mInnerWindowID);
+  if (ctx) {
+    mLoadingEmbedderPolicy = ctx->GetEmbedderPolicy();
+
+    if (Document* document = ctx->GetDocument()) {
+      mIsOriginTrialCoepCredentiallessEnabledForTopLevel =
+          document->Trials().IsEnabled(OriginTrial::CoepCredentialless);
+    }
+  }
+}
+
+// Used for TYPE_FRAME or TYPE_IFRAME load.
+LoadInfo::LoadInfo(dom::CanonicalBrowsingContext* aBrowsingContext,
+                   nsIPrincipal* aTriggeringPrincipal,
+                   const nsACString& aTriggeringRemoteType,
+                   nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags)
+    : LoadInfo(aBrowsingContext->GetParentWindowContext(), aTriggeringPrincipal,
+               aTriggeringRemoteType,
+               InternalContentPolicyTypeForFrame(aBrowsingContext),
+               aSecurityFlags, aSandboxFlags) {
+  mFrameBrowsingContextID = aBrowsingContext->Id();
+}
+
+LoadInfo::LoadInfo(const LoadInfo& rhs)
+    : mLoadingPrincipal(rhs.mLoadingPrincipal),
+      mTriggeringPrincipal(rhs.mTriggeringPrincipal),
+      mPrincipalToInherit(rhs.mPrincipalToInherit),
+      mTopLevelPrincipal(rhs.mTopLevelPrincipal),
+      mResultPrincipalURI(rhs.mResultPrincipalURI),
+      mChannelCreationOriginalURI(rhs.mChannelCreationOriginalURI),
+      mCookieJarSettings(rhs.mCookieJarSettings),
+      mCspToInherit(rhs.mCspToInherit),
+      mTriggeringRemoteType(rhs.mTriggeringRemoteType),
+      mSandboxedNullPrincipalID(rhs.mSandboxedNullPrincipalID),
+      mClientInfo(rhs.mClientInfo),
+      // mReservedClientSource must be handled specially during redirect
+      // mReservedClientInfo must be handled specially during redirect
+      // mInitialClientInfo must be handled specially during redirect
+      mController(rhs.mController),
+      mPerformanceStorage(rhs.mPerformanceStorage),
+      mLoadingContext(rhs.mLoadingContext),
+      mContextForTopLevelLoad(rhs.mContextForTopLevelLoad),
+      mSecurityFlags(rhs.mSecurityFlags),
+      mSandboxFlags(rhs.mSandboxFlags),
+      mTriggeringSandboxFlags(rhs.mTriggeringSandboxFlags),
+      mInternalContentPolicyType(rhs.mInternalContentPolicyType),
+      mTainting(rhs.mTainting),
+      mBlockAllMixedContent(rhs.mBlockAllMixedContent),
+      mUpgradeInsecureRequests(rhs.mUpgradeInsecureRequests),
+      mBrowserUpgradeInsecureRequests(rhs.mBrowserUpgradeInsecureRequests),
+      mBrowserDidUpgradeInsecureRequests(
+          rhs.mBrowserDidUpgradeInsecureRequests),
+      mBrowserWouldUpgradeInsecureRequests(
+          rhs.mBrowserWouldUpgradeInsecureRequests),
+      mForceAllowDataURI(rhs.mForceAllowDataURI),
+      mAllowInsecureRedirectToDataURI(rhs.mAllowInsecureRedirectToDataURI),
+      mSkipContentPolicyCheckForWebRequest(
+          rhs.mSkipContentPolicyCheckForWebRequest),
+      mOriginalFrameSrcLoad(rhs.mOriginalFrameSrcLoad),
+      mForceInheritPrincipalDropped(rhs.mForceInheritPrincipalDropped),
+      mInnerWindowID(rhs.mInnerWindowID),
+      mBrowsingContextID(rhs.mBrowsingContextID),
+      mWorkerAssociatedBrowsingContextID(
+          rhs.mWorkerAssociatedBrowsingContextID),
+      mFrameBrowsingContextID(rhs.mFrameBrowsingContextID),
+      mInitialSecurityCheckDone(rhs.mInitialSecurityCheckDone),
+      mIsThirdPartyContext(rhs.mIsThirdPartyContext),
+      mIsThirdPartyContextToTopWindow(rhs.mIsThirdPartyContextToTopWindow),
+      mIsFormSubmission(rhs.mIsFormSubmission),
+      mSendCSPViolationEvents(rhs.mSendCSPViolationEvents),
+      mOriginAttributes(rhs.mOriginAttributes),
+      mRedirectChainIncludingInternalRedirects(
+          rhs.mRedirectChainIncludingInternalRedirects.Clone()),
+      mRedirectChain(rhs.mRedirectChain.Clone()),
+      mAncestorPrincipals(rhs.mAncestorPrincipals.Clone()),
+      mAncestorBrowsingContextIDs(rhs.mAncestorBrowsingContextIDs.Clone()),
+      mCorsUnsafeHeaders(rhs.mCorsUnsafeHeaders.Clone()),
+      mRequestBlockingReason(rhs.mRequestBlockingReason),
+      mForcePreflight(rhs.mForcePreflight),
+      mIsPreflight(rhs.mIsPreflight),
+      mLoadTriggeredFromExternal(rhs.mLoadTriggeredFromExternal),
+      mDocumentHasUserInteracted(rhs.mDocumentHasUserInteracted),
+      mAllowListFutureDocumentsCreatedFromThisRedirectChain(
+          rhs.mAllowListFutureDocumentsCreatedFromThisRedirectChain),
+      mNeedForCheckingAntiTrackingHeuristic(
+          rhs.mNeedForCheckingAntiTrackingHeuristic),
+      mCspNonce(rhs.mCspNonce),
+      mSkipContentSniffing(rhs.mSkipContentSniffing),
+      mHttpsOnlyStatus(rhs.mHttpsOnlyStatus),
+      mHstsStatus(rhs.mHstsStatus),
+      mHasValidUserGestureActivation(rhs.mHasValidUserGestureActivation),
+      mAllowDeprecatedSystemRequests(rhs.mAllowDeprecatedSystemRequests),
+      mIsInDevToolsContext(rhs.mIsInDevToolsContext),
+      mParserCreatedScript(rhs.mParserCreatedScript),
+      mStoragePermission(rhs.mStoragePermission),
+      mIsMetaRefresh(rhs.mIsMetaRefresh),
+      mIsFromProcessingFrameAttributes(rhs.mIsFromProcessingFrameAttributes),
+      mIsMediaRequest(rhs.mIsMediaRequest),
+      mIsMediaInitialRequest(rhs.mIsMediaInitialRequest),
+      mIsFromObjectOrEmbed(rhs.mIsFromObjectOrEmbed),
+      mLoadingEmbedderPolicy(rhs.mLoadingEmbedderPolicy),
+      mIsOriginTrialCoepCredentiallessEnabledForTopLevel(
+          rhs.mIsOriginTrialCoepCredentiallessEnabledForTopLevel),
+      mUnstrippedURI(rhs.mUnstrippedURI),
+      mInterceptionInfo(rhs.mInterceptionInfo),
+      mHasInjectedCookieForCookieBannerHandling(
+          rhs.mHasInjectedCookieForCookieBannerHandling) {}
+
+LoadInfo::LoadInfo(
+    nsIPrincipal* aLoadingPrincipal, nsIPrincipal* aTriggeringPrincipal,
+    nsIPrincipal* aPrincipalToInherit, nsIPrincipal* aTopLevelPrincipal,
+    nsIURI* aResultPrincipalURI, nsICookieJarSettings* aCookieJarSettings,
+    nsIContentSecurityPolicy* aCspToInherit,
+    const nsACString& aTriggeringRemoteType,
+    const nsID& aSandboxedNullPrincipalID, const Maybe<ClientInfo>& aClientInfo,
+    const Maybe<ClientInfo>& aReservedClientInfo,
+    const Maybe<ClientInfo>& aInitialClientInfo,
+    const Maybe<ServiceWorkerDescriptor>& aController,
+    nsSecurityFlags aSecurityFlags, uint32_t aSandboxFlags,
+    uint32_t aTriggeringSandboxFlags, nsContentPolicyType aContentPolicyType,
+    LoadTainting aTainting, bool aBlockAllMixedContent,
+    bool aUpgradeInsecureRequests, bool aBrowserUpgradeInsecureRequests,
+    bool aBrowserDidUpgradeInsecureRequests,
+    bool aBrowserWouldUpgradeInsecureRequests, bool aForceAllowDataURI,
+    bool aAllowInsecureRedirectToDataURI,
+    bool aSkipContentPolicyCheckForWebRequest, bool aOriginalFrameSrcLoad,
+    bool aForceInheritPrincipalDropped, uint64_t aInnerWindowID,
+    uint64_t aBrowsingContextID, uint64_t aFrameBrowsingContextID,
+    bool aInitialSecurityCheckDone, bool aIsThirdPartyContext,
+    const Maybe<bool>& aIsThirdPartyContextToTopWindow, bool aIsFormSubmission,
+    bool aSendCSPViolationEvents, const OriginAttributes& aOriginAttributes,
+    RedirectHistoryArray&& aRedirectChainIncludingInternalRedirects,
+    RedirectHistoryArray&& aRedirectChain,
+    nsTArray<nsCOMPtr<nsIPrincipal>>&& aAncestorPrincipals,
+    const nsTArray<uint64_t>& aAncestorBrowsingContextIDs,
+    const nsTArray<nsCString>& aCorsUnsafeHeaders, bool aForcePreflight,
+    bool aIsPreflight, bool aLoadTriggeredFromExternal,
+    bool aServiceWorkerTaintingSynthesized, bool aDocumentHasUserInteracted,
+    bool aAllowListFutureDocumentsCreatedFromThisRedirectChain,
+    bool aNeedForCheckingAntiTrackingHeuristic, const nsAString& aCspNonce,
+    bool aSkipContentSniffing, uint32_t aHttpsOnlyStatus, bool aHstsStatus,
+    bool aHasValidUserGestureActivation, bool aAllowDeprecatedSystemRequests,
+    bool aIsInDevToolsContext, bool aParserCreatedScript,
+    nsILoadInfo::StoragePermissionState aStoragePermission, bool aIsMetaRefresh,
+    uint32_t aRequestBlockingReason, nsINode* aLoadingContext,
+    nsILoadInfo::CrossOriginEmbedderPolicy aLoadingEmbedderPolicy,
+    bool aIsOriginTrialCoepCredentiallessEnabledForTopLevel,
+    nsIURI* aUnstrippedURI, nsIInterceptionInfo* aInterceptionInfo,
+    bool aHasInjectedCookieForCookieBannerHandling)
+    : mLoadingPrincipal(aLoadingPrincipal),
+      mTriggeringPrincipal(aTriggeringPrincipal),
+      mPrincipalToInherit(aPrincipalToInherit),
+      mTopLevelPrincipal(aTopLevelPrincipal),
+      mResultPrincipalURI(aResultPrincipalURI),
+      mCookieJarSettings(aCookieJarSettings),
+      mCspToInherit(aCspToInherit),
+      mTriggeringRemoteType(aTriggeringRemoteType),
+      mSandboxedNullPrincipalID(aSandboxedNullPrincipalID),
+      mClientInfo(aClientInfo),
+      mReservedClientInfo(aReservedClientInfo),
+      mInitialClientInfo(aInitialClientInfo),
+      mController(aController),
+      mLoadingContext(do_GetWeakReference(aLoadingContext)),
+      mSecurityFlags(aSecurityFlags),
+      mSandboxFlags(aSandboxFlags),
+      mTriggeringSandboxFlags(aTriggeringSandboxFlags),
+      mInternalContentPolicyType(aContentPolicyType),
+      mTainting(aTainting),
+      mBlockAllMixedContent(aBlockAllMixedContent),
+      mUpgradeInsecureRequests(aUpgradeInsecureRequests),
+      mBrowserUpgradeInsecureRequests(aBrowserUpgradeInsecureRequests),
+      mBrowserDidUpgradeInsecureRequests(aBrowserDidUpgradeInsecureRequests),
+      mBrowserWouldUpgradeInsecureRequests(
+          aBrowserWouldUpgradeInsecureRequests),
+      mForceAllowDataURI(aForceAllowDataURI),
+      mAllowInsecureRedirectToDataURI(aAllowInsecureRedirectToDataURI),
+      mSkipContentPolicyCheckForWebRequest(
+          aSkipContentPolicyCheckForWebRequest),
+      mOriginalFrameSrcLoad(aOriginalFrameSrcLoad),
+      mForceInheritPrincipalDropped(aForceInheritPrincipalDropped),
+      mInnerWindowID(aInnerWindowID),
+      mBrowsingContextID(aBrowsingContextID),
+      mFrameBrowsingContextID(aFrameBrowsingContextID),
+      mInitialSecurityCheckDone(aInitialSecurityCheckDone),
+      mIsThirdPartyContext(aIsThirdPartyContext),
+      mIsThirdPartyContextToTopWindow(aIsThirdPartyContextToTopWindow),
+      mIsFormSubmission(aIsFormSubmission),
+      mSendCSPViolationEvents(aSendCSPViolationEvents),
+      mOriginAttributes(aOriginAttributes),
+      mRedirectChainIncludingInternalRedirects(
+          std::move(aRedirectChainIncludingInternalRedirects)),
+      mRedirectChain(std::move(aRedirectChain)),
+      mAncestorPrincipals(std::move(aAncestorPrincipals)),
+      mAncestorBrowsingContextIDs(aAncestorBrowsingContextIDs.Clone()),
+      mCorsUnsafeHeaders(aCorsUnsafeHeaders.Clone()),
+      mRequestBlockingReason(aRequestBlockingReason),
+      mForcePreflight(aForcePreflight),
+      mIsPreflight(aIsPreflight),
+      mLoadTriggeredFromExternal(aLoadTriggeredFromExternal),
+      mServiceWorkerTaintingSynthesized(aServiceWorkerTaintingSynthesized),
+      mDocumentHasUserInteracted(aDocumentHasUserInteracted),
+      mAllowListFutureDocumentsCreatedFromThisRedirectChain(
+          aAllowListFutureDocumentsCreatedFromThisRedirectChain),
+      mNeedForCheckingAntiTrackingHeuristic(
+          aNeedForCheckingAntiTrackingHeuristic),
+      mCspNonce(aCspNonce),
+      mSkipContentSniffing(aSkipContentSniffing),
+      mHttpsOnlyStatus(aHttpsOnlyStatus),
+      mHstsStatus(aHstsStatus),
+      mHasValidUserGestureActivation(aHasValidUserGestureActivation),
+      mAllowDeprecatedSystemRequests(aAllowDeprecatedSystemRequests),
+      mIsInDevToolsContext(aIsInDevToolsContext),
+      mParserCreatedScript(aParserCreatedScript),
+      mStoragePermission(aStoragePermission),
+      mIsMetaRefresh(aIsMetaRefresh),
+      mLoadingEmbedderPolicy(aLoadingEmbedderPolicy),
+      mIsOriginTrialCoepCredentiallessEnabledForTopLevel(
+          aIsOriginTrialCoepCredentiallessEnabledForTopLevel),
+      mUnstrippedURI(aUnstrippedURI),
+      mInterceptionInfo(aInterceptionInfo),
+      mHasInjectedCookieForCookieBannerHandling(
+          aHasInjectedCookieForCookieBannerHandling) {
+  // Only top level TYPE_DOCUMENT loads can have a null loadingPrincipal
+  MOZ_ASSERT(mLoadingPrincipal ||
+             aContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT);
+  MOZ_ASSERT(mTriggeringPrincipal);
+}
+
+// static
+void LoadInfo::ComputeAncestors(
+    CanonicalBrowsingContext* aBC,
+    nsTArray<nsCOMPtr<nsIPrincipal>>& aAncestorPrincipals,
+    nsTArray<uint64_t>& aBrowsingContextIDs) {
+  MOZ_ASSERT(aAncestorPrincipals.IsEmpty());
+  MOZ_ASSERT(aBrowsingContextIDs.IsEmpty());
+  CanonicalBrowsingContext* ancestorBC = aBC;
+  // Iterate over ancestor WindowGlobalParents, collecting principals and outer
+  // window IDs.
+  while (WindowGlobalParent* ancestorWGP =
+             ancestorBC->GetParentWindowContext()) {
+    ancestorBC = ancestorWGP->BrowsingContext();
+
+    nsCOMPtr<nsIPrincipal> parentPrincipal = ancestorWGP->DocumentPrincipal();
+    MOZ_ASSERT(parentPrincipal, "Ancestor principal is null");
+    aAncestorPrincipals.AppendElement(parentPrincipal.forget());
+    aBrowsingContextIDs.AppendElement(ancestorBC->Id());
+  }
+}
+void LoadInfo::ComputeIsThirdPartyContext(nsPIDOMWindowOuter* aOuterWindow) {
+  ExtContentPolicyType type =
+      nsContentUtils::InternalContentPolicyTypeToExternal(
+          mInternalContentPolicyType);
+  if (type == ExtContentPolicy::TYPE_DOCUMENT) {
+    // Top-level loads are never third-party.
+    mIsThirdPartyContext = false;
+    return;
+  }
+
+  nsCOMPtr<mozIThirdPartyUtil> util(do_GetService(THIRDPARTYUTIL_CONTRACTID));
+  if (NS_WARN_IF(!util)) {
+    return;
+  }
+
+  util->IsThirdPartyWindow(aOuterWindow, nullptr, &mIsThirdPartyContext);
+}
+
+void LoadInfo::ComputeIsThirdPartyContext(dom::WindowGlobalParent* aGlobal) {
+  if (nsILoadInfo::GetExternalContentPolicyType() ==
+      ExtContentPolicy::TYPE_DOCUMENT) {
+    // Top-level loads are never third-party.
+    mIsThirdPartyContext = false;
+    return;
+  }
+
+  ThirdPartyUtil* thirdPartyUtil = ThirdPartyUtil::GetInstance();
+  if (!thirdPartyUtil) {
+    return;
+  }
+  thirdPartyUtil->IsThirdPartyGlobal(aGlobal, &mIsThirdPartyContext);
+}
+
+NS_IMPL_ISUPPORTS(LoadInfo, nsILoadInfo)
+
+LoadInfo::~LoadInfo() { MOZ_RELEASE_ASSERT(NS_IsMainThread()); }
+
+already_AddRefed<nsILoadInfo> LoadInfo::Clone() const {
+  RefPtr<LoadInfo> copy(new LoadInfo(*this));
+  return copy.forget();
+}
+
+already_AddRefed<nsILoadInfo> LoadInfo::CloneWithNewSecFlags(
+    nsSecurityFlags aSecurityFlags) const {
+  RefPtr<LoadInfo> copy(new LoadInfo(*this));
+  copy->mSecurityFlags = aSecurityFlags;
+  return copy.forget();
+}
+
+already_AddRefed<nsILoadInfo> LoadInfo::CloneForNewRequest() const {
+  RefPtr<LoadInfo> copy(new LoadInfo(*this));
+  copy->mInitialSecurityCheckDone = false;
+  copy->mRedirectChainIncludingInternalRedirects.Clear();
+  copy->mRedirectChain.Clear();
+  copy->mResultPrincipalURI = nullptr;
+  return copy.forget();
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadingPrincipal(nsIPrincipal** aLoadingPrincipal) {
+  *aLoadingPrincipal = do_AddRef(mLoadingPrincipal).take();
+  return NS_OK;
+}
+
+nsIPrincipal* LoadInfo::VirtualGetLoadingPrincipal() {
+  return mLoadingPrincipal;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetTriggeringPrincipal(nsIPrincipal** aTriggeringPrincipal) {
+  *aTriggeringPrincipal = do_AddRef(mTriggeringPrincipal).take();
+  return NS_OK;
+}
+
+nsIPrincipal* LoadInfo::TriggeringPrincipal() { return mTriggeringPrincipal; }
+
+NS_IMETHODIMP
+LoadInfo::GetPrincipalToInherit(nsIPrincipal** aPrincipalToInherit) {
+  *aPrincipalToInherit = do_AddRef(mPrincipalToInherit).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetPrincipalToInherit(nsIPrincipal* aPrincipalToInherit) {
+  MOZ_ASSERT(aPrincipalToInherit, "must be a valid principal to inherit");
+  mPrincipalToInherit = aPrincipalToInherit;
+  return NS_OK;
+}
+
+nsIPrincipal* LoadInfo::PrincipalToInherit() { return mPrincipalToInherit; }
+
+nsIPrincipal* LoadInfo::FindPrincipalToInherit(nsIChannel* aChannel) {
+  if (mPrincipalToInherit) {
+    return mPrincipalToInherit;
+  }
+
+  nsCOMPtr<nsIURI> uri = mResultPrincipalURI;
+  if (!uri) {
+    Unused << aChannel->GetOriginalURI(getter_AddRefs(uri));
+  }
+
+  auto* prin = BasePrincipal::Cast(mTriggeringPrincipal);
+  return prin->PrincipalToInherit(uri);
+}
+
+const nsID& LoadInfo::GetSandboxedNullPrincipalID() {
+  MOZ_ASSERT(!mSandboxedNullPrincipalID.Equals(nsID{}),
+             "mSandboxedNullPrincipalID wasn't initialized?");
+  return mSandboxedNullPrincipalID;
+}
+
+void LoadInfo::ResetSandboxedNullPrincipalID() {
+  mSandboxedNullPrincipalID = nsID::GenerateUUID();
+}
+
+nsIPrincipal* LoadInfo::GetTopLevelPrincipal() { return mTopLevelPrincipal; }
+
+NS_IMETHODIMP
+LoadInfo::GetTriggeringRemoteType(nsACString& aTriggeringRemoteType) {
+  aTriggeringRemoteType = mTriggeringRemoteType;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetTriggeringRemoteType(const nsACString& aTriggeringRemoteType) {
+  mTriggeringRemoteType = aTriggeringRemoteType;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadingDocument(Document** aResult) {
+  if (nsCOMPtr<nsINode> node = do_QueryReferent(mLoadingContext)) {
+    RefPtr<Document> context = node->OwnerDoc();
+    context.forget(aResult);
+  }
+  return NS_OK;
+}
+
+nsINode* LoadInfo::LoadingNode() {
+  nsCOMPtr<nsINode> node = do_QueryReferent(mLoadingContext);
+  return node;
+}
+
+already_AddRefed<nsISupports> LoadInfo::ContextForTopLevelLoad() {
+  // Most likely you want to query LoadingNode() instead of
+  // ContextForTopLevelLoad() if this assertion fires.
+  MOZ_ASSERT(mInternalContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT,
+             "should only query this context for top level document loads");
+  nsCOMPtr<nsISupports> context = do_QueryReferent(mContextForTopLevelLoad);
+  return context.forget();
+}
+
+already_AddRefed<nsISupports> LoadInfo::GetLoadingContext() {
+  nsCOMPtr<nsISupports> context;
+  if (mInternalContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT) {
+    context = ContextForTopLevelLoad();
+  } else {
+    context = LoadingNode();
+  }
+  return context.forget();
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadingContextXPCOM(nsISupports** aResult) {
+  nsCOMPtr<nsISupports> context = GetLoadingContext();
+  context.forget(aResult);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSecurityFlags(nsSecurityFlags* aResult) {
+  *aResult = mSecurityFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSandboxFlags(uint32_t* aResult) {
+  *aResult = mSandboxFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetTriggeringSandboxFlags(uint32_t* aResult) {
+  *aResult = mTriggeringSandboxFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetTriggeringSandboxFlags(uint32_t aFlags) {
+  mTriggeringSandboxFlags = aFlags;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSecurityMode(uint32_t* aFlags) {
+  *aFlags = (mSecurityFlags &
+             (nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_INHERITS_SEC_CONTEXT |
+              nsILoadInfo::SEC_REQUIRE_SAME_ORIGIN_DATA_IS_BLOCKED |
+              nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_INHERITS_SEC_CONTEXT |
+              nsILoadInfo::SEC_ALLOW_CROSS_ORIGIN_SEC_CONTEXT_IS_NULL |
+              nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT));
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsInThirdPartyContext(bool* aIsInThirdPartyContext) {
+  *aIsInThirdPartyContext = mIsThirdPartyContext;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsInThirdPartyContext(bool aIsInThirdPartyContext) {
+  mIsThirdPartyContext = aIsInThirdPartyContext;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsThirdPartyContextToTopWindow(
+    bool* aIsThirdPartyContextToTopWindow) {
+  *aIsThirdPartyContextToTopWindow =
+      mIsThirdPartyContextToTopWindow.valueOr(true);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsThirdPartyContextToTopWindow(
+    bool aIsThirdPartyContextToTopWindow) {
+  mIsThirdPartyContextToTopWindow = Some(aIsThirdPartyContextToTopWindow);
+  return NS_OK;
+}
+
+static const uint32_t sCookiePolicyMask =
+    nsILoadInfo::SEC_COOKIES_DEFAULT | nsILoadInfo::SEC_COOKIES_INCLUDE |
+    nsILoadInfo::SEC_COOKIES_SAME_ORIGIN | nsILoadInfo::SEC_COOKIES_OMIT;
+
+NS_IMETHODIMP
+LoadInfo::GetCookiePolicy(uint32_t* aResult) {
+  uint32_t policy = mSecurityFlags & sCookiePolicyMask;
+  if (policy == nsILoadInfo::SEC_COOKIES_DEFAULT) {
+    policy = (mSecurityFlags & SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT)
+                 ? nsILoadInfo::SEC_COOKIES_SAME_ORIGIN
+                 : nsILoadInfo::SEC_COOKIES_INCLUDE;
+  }
+
+  *aResult = policy;
+  return NS_OK;
+}
+
+namespace {
+
+already_AddRefed<nsICookieJarSettings> CreateCookieJarSettings(
+    nsContentPolicyType aContentPolicyType, bool aIsPrivate,
+    bool shouldResistFingerprinting) {
+  if (StaticPrefs::network_cookieJarSettings_unblocked_for_testing()) {
+    return aIsPrivate ? CookieJarSettings::Create(CookieJarSettings::ePrivate,
+                                                  shouldResistFingerprinting)
+                      : CookieJarSettings::Create(CookieJarSettings::eRegular,
+                                                  shouldResistFingerprinting);
+  }
+
+  // These contentPolictTypes require a real CookieJarSettings because favicon
+  // and save-as requests must send cookies. Anything else should not
+  // send/receive cookies.
+  if (aContentPolicyType == nsIContentPolicy::TYPE_INTERNAL_IMAGE_FAVICON ||
+      aContentPolicyType == nsIContentPolicy::TYPE_SAVEAS_DOWNLOAD) {
+    return aIsPrivate ? CookieJarSettings::Create(CookieJarSettings::ePrivate,
+                                                  shouldResistFingerprinting)
+                      : CookieJarSettings::Create(CookieJarSettings::eRegular,
+                                                  shouldResistFingerprinting);
+  }
+
+  return CookieJarSettings::GetBlockingAll(shouldResistFingerprinting);
+}
+
+}  // namespace
+
+NS_IMETHODIMP
+LoadInfo::GetCookieJarSettings(nsICookieJarSettings** aCookieJarSettings) {
+  if (!mCookieJarSettings) {
+    bool isPrivate = mOriginAttributes.mPrivateBrowsingId > 0;
+    nsCOMPtr<nsIPrincipal> loadingPrincipal;
+    Unused << this->GetLoadingPrincipal(getter_AddRefs(loadingPrincipal));
+    bool shouldResistFingerprinting =
+        nsContentUtils::ShouldResistFingerprinting_dangerous(
+            loadingPrincipal,
+            "CookieJarSettings can't exist yet, we're creating it");
+    mCookieJarSettings = CreateCookieJarSettings(
+        mInternalContentPolicyType, isPrivate, shouldResistFingerprinting);
+  }
+
+  nsCOMPtr<nsICookieJarSettings> cookieJarSettings = mCookieJarSettings;
+  cookieJarSettings.forget(aCookieJarSettings);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetCookieJarSettings(nsICookieJarSettings* aCookieJarSettings) {
+  MOZ_ASSERT(aCookieJarSettings);
+  // We allow the overwrite of CookieJarSettings.
+  mCookieJarSettings = aCookieJarSettings;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetStoragePermission(
+    nsILoadInfo::StoragePermissionState* aStoragePermission) {
+  *aStoragePermission = mStoragePermission;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetStoragePermission(
+    nsILoadInfo::StoragePermissionState aStoragePermission) {
+  mStoragePermission = aStoragePermission;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsMetaRefresh(bool* aIsMetaRefresh) {
+  *aIsMetaRefresh = mIsMetaRefresh;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsMetaRefresh(bool aIsMetaRefresh) {
+  mIsMetaRefresh = aIsMetaRefresh;
+  return NS_OK;
+}
+
+void LoadInfo::SetIncludeCookiesSecFlag() {
+  MOZ_ASSERT((mSecurityFlags & sCookiePolicyMask) ==
+             nsILoadInfo::SEC_COOKIES_DEFAULT);
+  mSecurityFlags =
+      (mSecurityFlags & ~sCookiePolicyMask) | nsILoadInfo::SEC_COOKIES_INCLUDE;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetForceInheritPrincipal(bool* aInheritPrincipal) {
+  *aInheritPrincipal =
+      (mSecurityFlags & nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetForceInheritPrincipalOverruleOwner(bool* aInheritPrincipal) {
+  *aInheritPrincipal =
+      (mSecurityFlags &
+       nsILoadInfo::SEC_FORCE_INHERIT_PRINCIPAL_OVERRULE_OWNER);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadingSandboxed(bool* aLoadingSandboxed) {
+  *aLoadingSandboxed = (mSandboxFlags & SANDBOXED_ORIGIN);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetAboutBlankInherits(bool* aResult) {
+  *aResult = (mSecurityFlags & nsILoadInfo::SEC_ABOUT_BLANK_INHERITS);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetAllowChrome(bool* aResult) {
+  *aResult = (mSecurityFlags & nsILoadInfo::SEC_ALLOW_CHROME);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetDisallowScript(bool* aResult) {
+  *aResult = (mSecurityFlags & nsILoadInfo::SEC_DISALLOW_SCRIPT);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetDontFollowRedirects(bool* aResult) {
+  *aResult = (mSecurityFlags & nsILoadInfo::SEC_DONT_FOLLOW_REDIRECTS);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadErrorPage(bool* aResult) {
+  *aResult = (mSecurityFlags & nsILoadInfo::SEC_LOAD_ERROR_PAGE);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsFormSubmission(bool* aResult) {
+  *aResult = mIsFormSubmission;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsFormSubmission(bool aValue) {
+  mIsFormSubmission = aValue;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSendCSPViolationEvents(bool* aResult) {
+  *aResult = mSendCSPViolationEvents;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetSendCSPViolationEvents(bool aValue) {
+  mSendCSPViolationEvents = aValue;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetExternalContentPolicyType(nsContentPolicyType* aResult) {
+  // We have to use nsContentPolicyType because ExtContentPolicyType is not
+  // visible from xpidl.
+  *aResult = static_cast<nsContentPolicyType>(
+      nsContentUtils::InternalContentPolicyTypeToExternal(
+          mInternalContentPolicyType));
+  return NS_OK;
+}
+
+nsContentPolicyType LoadInfo::InternalContentPolicyType() {
+  return mInternalContentPolicyType;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBlockAllMixedContent(bool* aResult) {
+  *aResult = mBlockAllMixedContent;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetUpgradeInsecureRequests(bool* aResult) {
+  *aResult = mUpgradeInsecureRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBrowserUpgradeInsecureRequests(bool* aResult) {
+  *aResult = mBrowserUpgradeInsecureRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBrowserDidUpgradeInsecureRequests(bool* aResult) {
+  *aResult = mBrowserDidUpgradeInsecureRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBrowserWouldUpgradeInsecureRequests(bool* aResult) {
+  *aResult = mBrowserWouldUpgradeInsecureRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetForceAllowDataURI(bool aForceAllowDataURI) {
+  MOZ_ASSERT(!mForceAllowDataURI ||
+                 mInternalContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT,
+             "can only allow data URI navigation for TYPE_DOCUMENT");
+  mForceAllowDataURI = aForceAllowDataURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetForceAllowDataURI(bool* aForceAllowDataURI) {
+  *aForceAllowDataURI = mForceAllowDataURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetAllowInsecureRedirectToDataURI(
+    bool aAllowInsecureRedirectToDataURI) {
+  mAllowInsecureRedirectToDataURI = aAllowInsecureRedirectToDataURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetAllowInsecureRedirectToDataURI(
+    bool* aAllowInsecureRedirectToDataURI) {
+  *aAllowInsecureRedirectToDataURI = mAllowInsecureRedirectToDataURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetSkipContentPolicyCheckForWebRequest(bool aSkip) {
+  mSkipContentPolicyCheckForWebRequest = aSkip;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSkipContentPolicyCheckForWebRequest(bool* aSkip) {
+  *aSkip = mSkipContentPolicyCheckForWebRequest;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetOriginalFrameSrcLoad(bool aOriginalFrameSrcLoad) {
+  mOriginalFrameSrcLoad = aOriginalFrameSrcLoad;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetOriginalFrameSrcLoad(bool* aOriginalFrameSrcLoad) {
+  *aOriginalFrameSrcLoad = mOriginalFrameSrcLoad;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetForceInheritPrincipalDropped(bool* aResult) {
+  *aResult = mForceInheritPrincipalDropped;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetInnerWindowID(uint64_t* aResult) {
+  *aResult = mInnerWindowID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBrowsingContextID(uint64_t* aResult) {
+  *aResult = mBrowsingContextID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetWorkerAssociatedBrowsingContextID(uint64_t* aResult) {
+  *aResult = mWorkerAssociatedBrowsingContextID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetWorkerAssociatedBrowsingContextID(uint64_t aID) {
+  mWorkerAssociatedBrowsingContextID = aID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetFrameBrowsingContextID(uint64_t* aResult) {
+  *aResult = mFrameBrowsingContextID;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetTargetBrowsingContextID(uint64_t* aResult) {
+  return (nsILoadInfo::GetExternalContentPolicyType() ==
+          ExtContentPolicy::TYPE_SUBDOCUMENT)
+             ? GetFrameBrowsingContextID(aResult)
+             : GetBrowsingContextID(aResult);
+}
+
+NS_IMETHODIMP
+LoadInfo::GetBrowsingContext(dom::BrowsingContext** aResult) {
+  *aResult = BrowsingContext::Get(mBrowsingContextID).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetWorkerAssociatedBrowsingContext(dom::BrowsingContext** aResult) {
+  *aResult = BrowsingContext::Get(mWorkerAssociatedBrowsingContextID).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetFrameBrowsingContext(dom::BrowsingContext** aResult) {
+  *aResult = BrowsingContext::Get(mFrameBrowsingContextID).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetTargetBrowsingContext(dom::BrowsingContext** aResult) {
+  uint64_t targetBrowsingContextID = 0;
+  MOZ_ALWAYS_SUCCEEDS(GetTargetBrowsingContextID(&targetBrowsingContextID));
+  *aResult = BrowsingContext::Get(targetBrowsingContextID).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetScriptableOriginAttributes(
+    JSContext* aCx, JS::MutableHandle<JS::Value> aOriginAttributes) {
+  if (NS_WARN_IF(!ToJSValue(aCx, mOriginAttributes, aOriginAttributes))) {
+    return NS_ERROR_FAILURE;
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::ResetPrincipalToInheritToNullPrincipal() {
+  // take the originAttributes from the LoadInfo and create
+  // a new NullPrincipal using those origin attributes.
+  nsCOMPtr<nsIPrincipal> newNullPrincipal =
+      NullPrincipal::Create(mOriginAttributes);
+
+  mPrincipalToInherit = newNullPrincipal;
+
+  // setting SEC_FORCE_INHERIT_PRINCIPAL_OVERRULE_OWNER will overrule
+  // any non null owner set on the channel and will return the principal
+  // form the loadinfo instead.
+  mSecurityFlags |= SEC_FORCE_INHERIT_PRINCIPAL_OVERRULE_OWNER;
+
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetScriptableOriginAttributes(
+    JSContext* aCx, JS::Handle<JS::Value> aOriginAttributes) {
+  OriginAttributes attrs;
+  if (!aOriginAttributes.isObject() || !attrs.Init(aCx, aOriginAttributes)) {
+    return NS_ERROR_INVALID_ARG;
+  }
+
+  mOriginAttributes = attrs;
+  return NS_OK;
+}
+
+nsresult LoadInfo::GetOriginAttributes(
+    mozilla::OriginAttributes* aOriginAttributes) {
+  NS_ENSURE_ARG(aOriginAttributes);
+  *aOriginAttributes = mOriginAttributes;
+  return NS_OK;
+}
+
+nsresult LoadInfo::SetOriginAttributes(
+    const mozilla::OriginAttributes& aOriginAttributes) {
+  mOriginAttributes = aOriginAttributes;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetInitialSecurityCheckDone(bool aInitialSecurityCheckDone) {
+  // Indicates whether the channel was ever evaluated by the
+  // ContentSecurityManager. Once set to true, this flag must
+  // remain true throughout the lifetime of the channel.
+  // Setting it to anything else than true will be discarded.
+  MOZ_ASSERT(aInitialSecurityCheckDone,
+             "aInitialSecurityCheckDone must be true");
+  mInitialSecurityCheckDone =
+      mInitialSecurityCheckDone || aInitialSecurityCheckDone;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetInitialSecurityCheckDone(bool* aResult) {
+  *aResult = mInitialSecurityCheckDone;
+  return NS_OK;
+}
+
+// To prevent unintenional credential and information leaks in content
+// processes we can use this function to truncate a Principal's URI as much as
+// possible.
+already_AddRefed<nsIPrincipal> CreateTruncatedPrincipal(
+    nsIPrincipal* aPrincipal) {
+  nsCOMPtr<nsIPrincipal> truncatedPrincipal;
+  // System Principal URIs don't need to be truncated as they don't contain any
+  // sensitive browsing history information.
+  if (aPrincipal->IsSystemPrincipal()) {
+    truncatedPrincipal = aPrincipal;
+    return truncatedPrincipal.forget();
+  }
+
+  // Content Principal URIs are the main location of the information we need to
+  // truncate.
+  if (aPrincipal->GetIsContentPrincipal()) {
+    // Certain URIs (chrome, resource, about) don't need to be truncated as they
+    // should be free of any sensitive user browsing history.
+    if (aPrincipal->SchemeIs("chrome") || aPrincipal->SchemeIs("resource") ||
+        aPrincipal->SchemeIs("about")) {
+      truncatedPrincipal = aPrincipal;
+      return truncatedPrincipal.forget();
+    }
+
+    // Different parts of the URI are preserved due to being vital to the
+    // browser's operation.
+    // Scheme for differentiating between different types of URIs and how to
+    // truncate them and later on utilize them.
+    // Host and Port to retain the redirect chain's core functionality.
+    // Path would ideally be removed but needs to be retained to ensure that
+    // http/https redirect loops can be detected.
+    // The entirety of the Query String, Reference Fragment, and User Info
+    // subcomponents must be stripped to avoid leaking Oauth tokens, user
+    // identifiers, and similar bits of information that these subcomponents may
+    // contain.
+    nsAutoCString scheme;
+    nsAutoCString separator("://");
+    nsAutoCString hostPort;
+    nsAutoCString path;
+    nsAutoCString uriString("");
+    if (aPrincipal->SchemeIs("view-source")) {
+      // The path portion of the view-source URI will be the URI whose source is
+      // being viewed, so we create a new URI object with a truncated form of
+      // the path and append the view-source scheme to the front again.
+      nsAutoCString viewSourcePath;
+      aPrincipal->GetFilePath(viewSourcePath);
+
+      nsCOMPtr<nsIURI> nestedURI;
+      nsresult rv = NS_NewURI(getter_AddRefs(nestedURI), viewSourcePath);
+
+      if (NS_FAILED(rv)) {
+        // Since the path here should be an already validated URI this should
+        // never happen.
+        NS_WARNING(viewSourcePath.get());
+        MOZ_ASSERT(false,
+                   "Failed to create truncated form of URI with NS_NewURI.");
+        truncatedPrincipal = aPrincipal;
+        return truncatedPrincipal.forget();
+      }
+
+      nestedURI->GetScheme(scheme);
+      nestedURI->GetHostPort(hostPort);
+      nestedURI->GetFilePath(path);
+      uriString += "view-source:";
+    } else {
+      aPrincipal->GetScheme(scheme);
+      aPrincipal->GetHostPort(hostPort);
+      aPrincipal->GetFilePath(path);
+    }
+    uriString += scheme + separator + hostPort + path;
+
+    nsCOMPtr<nsIURI> truncatedURI;
+    nsresult rv = NS_NewURI(getter_AddRefs(truncatedURI), uriString);
+    if (NS_FAILED(rv)) {
+      NS_WARNING(uriString.get());
+      MOZ_ASSERT(false,
+                 "Failed to create truncated form of URI with NS_NewURI.");
+      truncatedPrincipal = aPrincipal;
+      return truncatedPrincipal.forget();
+    }
+
+    return BasePrincipal::CreateContentPrincipal(
+        truncatedURI, aPrincipal->OriginAttributesRef());
+  }
+
+  // Null Principal Precursor URIs can also contain information that needs to
+  // be truncated.
+  if (aPrincipal->GetIsNullPrincipal()) {
+    nsCOMPtr<nsIPrincipal> precursorPrincipal =
+        aPrincipal->GetPrecursorPrincipal();
+    // If there is no precursor then nothing needs to be truncated.
+    if (!precursorPrincipal) {
+      truncatedPrincipal = aPrincipal;
+      return truncatedPrincipal.forget();
+    }
+
+    // Otherwise we return a new Null Principal with the original's Origin
+    // Attributes and a truncated version of the original's precursor URI.
+    nsCOMPtr<nsIPrincipal> truncatedPrecursor =
+        CreateTruncatedPrincipal(precursorPrincipal);
+    return NullPrincipal::CreateWithInheritedAttributes(truncatedPrecursor);
+  }
+
+  // Expanded Principals shouldn't contain sensitive information but their
+  // allowlists might so we truncate that information here.
+  if (aPrincipal->GetIsExpandedPrincipal()) {
+    nsTArray<nsCOMPtr<nsIPrincipal>> truncatedAllowList;
+
+    for (const auto& allowedPrincipal : BasePrincipal::Cast(aPrincipal)
+                                            ->As<ExpandedPrincipal>()
+                                            ->AllowList()) {
+      nsCOMPtr<nsIPrincipal> truncatedPrincipal =
+          CreateTruncatedPrincipal(allowedPrincipal);
+
+      truncatedAllowList.AppendElement(truncatedPrincipal);
+    }
+
+    return ExpandedPrincipal::Create(truncatedAllowList,
+                                     aPrincipal->OriginAttributesRef());
+  }
+
+  // If we hit this assertion we need to update this function to add the
+  // Principals and URIs seen as new corner cases to handle.
+  MOZ_ASSERT(false, "Unhandled Principal or URI type encountered.");
+
+  truncatedPrincipal = aPrincipal;
+  return truncatedPrincipal.forget();
+}
+
+NS_IMETHODIMP
+LoadInfo::AppendRedirectHistoryEntry(nsIChannel* aChannel,
+                                     bool aIsInternalRedirect) {
+  NS_ENSURE_ARG(aChannel);
+  MOZ_ASSERT(NS_IsMainThread());
+
+  nsCOMPtr<nsIPrincipal> uriPrincipal;
+  nsIScriptSecurityManager* sm = nsContentUtils::GetSecurityManager();
+  sm->GetChannelURIPrincipal(aChannel, getter_AddRefs(uriPrincipal));
+
+  nsCOMPtr<nsIURI> referrer;
+  nsCString remoteAddress;
+
+  nsCOMPtr<nsIHttpChannel> httpChannel(do_QueryInterface(aChannel));
+  if (httpChannel) {
+    nsCOMPtr<nsIReferrerInfo> referrerInfo;
+    Unused << httpChannel->GetReferrerInfo(getter_AddRefs(referrerInfo));
+    if (referrerInfo) {
+      referrer = referrerInfo->GetComputedReferrer();
+    }
+
+    nsCOMPtr<nsIHttpChannelInternal> intChannel(do_QueryInterface(aChannel));
+    if (intChannel) {
+      Unused << intChannel->GetRemoteAddress(remoteAddress);
+    }
+  }
+
+  nsCOMPtr<nsIPrincipal> truncatedPrincipal =
+      CreateTruncatedPrincipal(uriPrincipal);
+
+  nsCOMPtr<nsIRedirectHistoryEntry> entry =
+      new nsRedirectHistoryEntry(truncatedPrincipal, referrer, remoteAddress);
+
+  mRedirectChainIncludingInternalRedirects.AppendElement(entry);
+  if (!aIsInternalRedirect) {
+    mRedirectChain.AppendElement(entry);
+  }
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetRedirects(JSContext* aCx, JS::MutableHandle<JS::Value> aRedirects,
+                       const RedirectHistoryArray& aArray) {
+  JS::Rooted<JSObject*> redirects(aCx,
+                                  JS::NewArrayObject(aCx, aArray.Length()));
+  NS_ENSURE_TRUE(redirects, NS_ERROR_OUT_OF_MEMORY);
+
+  JS::Rooted<JSObject*> global(aCx, JS::CurrentGlobalOrNull(aCx));
+  NS_ENSURE_TRUE(global, NS_ERROR_UNEXPECTED);
+
+  nsCOMPtr<nsIXPConnect> xpc = nsIXPConnect::XPConnect();
+
+  for (size_t idx = 0; idx < aArray.Length(); idx++) {
+    JS::Rooted<JSObject*> jsobj(aCx);
+    nsresult rv =
+        xpc->WrapNative(aCx, global, aArray[idx],
+                        NS_GET_IID(nsIRedirectHistoryEntry), jsobj.address());
+    NS_ENSURE_SUCCESS(rv, rv);
+    NS_ENSURE_STATE(jsobj);
+
+    bool rc = JS_DefineElement(aCx, redirects, idx, jsobj, JSPROP_ENUMERATE);
+    NS_ENSURE_TRUE(rc, NS_ERROR_UNEXPECTED);
+  }
+
+  aRedirects.setObject(*redirects);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetRedirectChainIncludingInternalRedirects(
+    JSContext* aCx, JS::MutableHandle<JS::Value> aChain) {
+  return GetRedirects(aCx, aChain, mRedirectChainIncludingInternalRedirects);
+}
+
+const RedirectHistoryArray&
+LoadInfo::RedirectChainIncludingInternalRedirects() {
+  return mRedirectChainIncludingInternalRedirects;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetRedirectChain(JSContext* aCx,
+                           JS::MutableHandle<JS::Value> aChain) {
+  return GetRedirects(aCx, aChain, mRedirectChain);
+}
+
+const RedirectHistoryArray& LoadInfo::RedirectChain() { return mRedirectChain; }
+
+const nsTArray<nsCOMPtr<nsIPrincipal>>& LoadInfo::AncestorPrincipals() {
+  return mAncestorPrincipals;
+}
+
+const nsTArray<uint64_t>& LoadInfo::AncestorBrowsingContextIDs() {
+  return mAncestorBrowsingContextIDs;
+}
+
+void LoadInfo::SetCorsPreflightInfo(const nsTArray<nsCString>& aHeaders,
+                                    bool aForcePreflight) {
+  MOZ_ASSERT(GetSecurityMode() ==
+             nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT);
+  MOZ_ASSERT(!mInitialSecurityCheckDone);
+  mCorsUnsafeHeaders = aHeaders.Clone();
+  mForcePreflight = aForcePreflight;
+}
+
+const nsTArray<nsCString>& LoadInfo::CorsUnsafeHeaders() {
+  return mCorsUnsafeHeaders;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetForcePreflight(bool* aForcePreflight) {
+  *aForcePreflight = mForcePreflight;
+  return NS_OK;
+}
+
+void LoadInfo::SetIsPreflight() {
+  MOZ_ASSERT(GetSecurityMode() ==
+             nsILoadInfo::SEC_REQUIRE_CORS_INHERITS_SEC_CONTEXT);
+  MOZ_ASSERT(!mInitialSecurityCheckDone);
+  mIsPreflight = true;
+}
+
+void LoadInfo::SetUpgradeInsecureRequests(bool aValue) {
+  mUpgradeInsecureRequests = aValue;
+}
+
+void LoadInfo::SetBrowserUpgradeInsecureRequests() {
+  mBrowserUpgradeInsecureRequests = true;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetBrowserDidUpgradeInsecureRequests(
+    bool aBrowserDidUpgradeInsecureRequests) {
+  mBrowserDidUpgradeInsecureRequests = aBrowserDidUpgradeInsecureRequests;
+  return NS_OK;
+}
+
+void LoadInfo::SetBrowserWouldUpgradeInsecureRequests() {
+  mBrowserWouldUpgradeInsecureRequests = true;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsPreflight(bool* aIsPreflight) {
+  *aIsPreflight = mIsPreflight;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetLoadTriggeredFromExternal(bool aLoadTriggeredFromExternal) {
+  MOZ_ASSERT(!aLoadTriggeredFromExternal ||
+                 mInternalContentPolicyType == nsIContentPolicy::TYPE_DOCUMENT,
+             "can only set load triggered from external for TYPE_DOCUMENT");
+  mLoadTriggeredFromExternal = aLoadTriggeredFromExternal;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadTriggeredFromExternal(bool* aLoadTriggeredFromExternal) {
+  *aLoadTriggeredFromExternal = mLoadTriggeredFromExternal;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetServiceWorkerTaintingSynthesized(
+    bool* aServiceWorkerTaintingSynthesized) {
+  MOZ_ASSERT(aServiceWorkerTaintingSynthesized);
+  *aServiceWorkerTaintingSynthesized = mServiceWorkerTaintingSynthesized;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetTainting(uint32_t* aTaintingOut) {
+  MOZ_ASSERT(aTaintingOut);
+  *aTaintingOut = static_cast<uint32_t>(mTainting);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::MaybeIncreaseTainting(uint32_t aTainting) {
+  NS_ENSURE_ARG(aTainting <= TAINTING_OPAQUE);
+
+  // Skip if the tainting has been set by the service worker.
+  if (mServiceWorkerTaintingSynthesized) {
+    return NS_OK;
+  }
+
+  LoadTainting tainting = static_cast<LoadTainting>(aTainting);
+  if (tainting > mTainting) {
+    mTainting = tainting;
+  }
+  return NS_OK;
+}
+
+void LoadInfo::SynthesizeServiceWorkerTainting(LoadTainting aTainting) {
+  MOZ_DIAGNOSTIC_ASSERT(aTainting <= LoadTainting::Opaque);
+  mTainting = aTainting;
+
+  // Flag to prevent the tainting from being increased.
+  mServiceWorkerTaintingSynthesized = true;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetDocumentHasUserInteracted(bool* aDocumentHasUserInteracted) {
+  MOZ_ASSERT(aDocumentHasUserInteracted);
+  *aDocumentHasUserInteracted = mDocumentHasUserInteracted;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetDocumentHasUserInteracted(bool aDocumentHasUserInteracted) {
+  mDocumentHasUserInteracted = aDocumentHasUserInteracted;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetAllowListFutureDocumentsCreatedFromThisRedirectChain(
+    bool* aValue) {
+  MOZ_ASSERT(aValue);
+  *aValue = mAllowListFutureDocumentsCreatedFromThisRedirectChain;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetAllowListFutureDocumentsCreatedFromThisRedirectChain(bool aValue) {
+  mAllowListFutureDocumentsCreatedFromThisRedirectChain = aValue;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetNeedForCheckingAntiTrackingHeuristic(bool* aValue) {
+  MOZ_ASSERT(aValue);
+  *aValue = mNeedForCheckingAntiTrackingHeuristic;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetNeedForCheckingAntiTrackingHeuristic(bool aValue) {
+  mNeedForCheckingAntiTrackingHeuristic = aValue;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetCspNonce(nsAString& aCspNonce) {
+  aCspNonce = mCspNonce;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetCspNonce(const nsAString& aCspNonce) {
+  MOZ_ASSERT(!mInitialSecurityCheckDone,
+             "setting the nonce is only allowed before any sec checks");
+  mCspNonce = aCspNonce;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetSkipContentSniffing(bool* aSkipContentSniffing) {
+  *aSkipContentSniffing = mSkipContentSniffing;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetSkipContentSniffing(bool aSkipContentSniffing) {
+  mSkipContentSniffing = aSkipContentSniffing;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetHttpsOnlyStatus(uint32_t* aHttpsOnlyStatus) {
+  *aHttpsOnlyStatus = mHttpsOnlyStatus;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetHttpsOnlyStatus(uint32_t aHttpsOnlyStatus) {
+  mHttpsOnlyStatus = aHttpsOnlyStatus;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetHstsStatus(bool* aHstsStatus) {
+  *aHstsStatus = mHstsStatus;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetHstsStatus(bool aHstsStatus) {
+  mHstsStatus = aHstsStatus;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetHasValidUserGestureActivation(
+    bool* aHasValidUserGestureActivation) {
+  *aHasValidUserGestureActivation = mHasValidUserGestureActivation;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetHasValidUserGestureActivation(
+    bool aHasValidUserGestureActivation) {
+  mHasValidUserGestureActivation = aHasValidUserGestureActivation;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetAllowDeprecatedSystemRequests(
+    bool* aAllowDeprecatedSystemRequests) {
+  *aAllowDeprecatedSystemRequests = mAllowDeprecatedSystemRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetAllowDeprecatedSystemRequests(
+    bool aAllowDeprecatedSystemRequests) {
+  mAllowDeprecatedSystemRequests = aAllowDeprecatedSystemRequests;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsUserTriggeredSave(bool* aIsUserTriggeredSave) {
+  *aIsUserTriggeredSave =
+      mIsUserTriggeredSave ||
+      mInternalContentPolicyType == nsIContentPolicy::TYPE_SAVEAS_DOWNLOAD;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsUserTriggeredSave(bool aIsUserTriggeredSave) {
+  mIsUserTriggeredSave = aIsUserTriggeredSave;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsInDevToolsContext(bool* aIsInDevToolsContext) {
+  *aIsInDevToolsContext = mIsInDevToolsContext;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsInDevToolsContext(bool aIsInDevToolsContext) {
+  mIsInDevToolsContext = aIsInDevToolsContext;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetParserCreatedScript(bool* aParserCreatedScript) {
+  *aParserCreatedScript = mParserCreatedScript;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetParserCreatedScript(bool aParserCreatedScript) {
+  mParserCreatedScript = aParserCreatedScript;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsTopLevelLoad(bool* aResult) {
+  RefPtr<dom::BrowsingContext> bc;
+  GetTargetBrowsingContext(getter_AddRefs(bc));
+  *aResult = !bc || bc->IsTop();
+  return NS_OK;
+}
+
+void LoadInfo::SetIsFromProcessingFrameAttributes() {
+  mIsFromProcessingFrameAttributes = true;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsFromProcessingFrameAttributes(
+    bool* aIsFromProcessingFrameAttributes) {
+  MOZ_ASSERT(aIsFromProcessingFrameAttributes);
+  *aIsFromProcessingFrameAttributes = mIsFromProcessingFrameAttributes;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsMediaRequest(bool aIsMediaRequest) {
+  mIsMediaRequest = aIsMediaRequest;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsMediaRequest(bool* aIsMediaRequest) {
+  MOZ_ASSERT(aIsMediaRequest);
+  *aIsMediaRequest = mIsMediaRequest;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsMediaInitialRequest(bool aIsMediaInitialRequest) {
+  mIsMediaInitialRequest = aIsMediaInitialRequest;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsMediaInitialRequest(bool* aIsMediaInitialRequest) {
+  MOZ_ASSERT(aIsMediaInitialRequest);
+  *aIsMediaInitialRequest = mIsMediaInitialRequest;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsFromObjectOrEmbed(bool aIsFromObjectOrEmbed) {
+  mIsFromObjectOrEmbed = aIsFromObjectOrEmbed;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsFromObjectOrEmbed(bool* aIsFromObjectOrEmbed) {
+  MOZ_ASSERT(aIsFromObjectOrEmbed);
+  *aIsFromObjectOrEmbed = mIsFromObjectOrEmbed;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetShouldSkipCheckForBrokenURLOrZeroSized(
+    bool* aShouldSkipCheckForBrokenURLOrZeroSized) {
+  MOZ_ASSERT(aShouldSkipCheckForBrokenURLOrZeroSized);
+  *aShouldSkipCheckForBrokenURLOrZeroSized = mSkipCheckForBrokenURLOrZeroSized;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetResultPrincipalURI(nsIURI** aURI) {
+  *aURI = do_AddRef(mResultPrincipalURI).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetResultPrincipalURI(nsIURI* aURI) {
+  mResultPrincipalURI = aURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetChannelCreationOriginalURI(nsIURI** aURI) {
+  *aURI = do_AddRef(mChannelCreationOriginalURI).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetChannelCreationOriginalURI(nsIURI* aURI) {
+  mChannelCreationOriginalURI = aURI;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetRequestBlockingReason(uint32_t aReason) {
+  mRequestBlockingReason = aReason;
+  return NS_OK;
+}
+NS_IMETHODIMP
+LoadInfo::GetRequestBlockingReason(uint32_t* aReason) {
+  *aReason = mRequestBlockingReason;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetUnstrippedURI(nsIURI** aURI) {
+  *aURI = do_AddRef(mUnstrippedURI).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetUnstrippedURI(nsIURI* aURI) {
+  mUnstrippedURI = aURI;
+  return NS_OK;
+}
+
+void LoadInfo::SetClientInfo(const ClientInfo& aClientInfo) {
+  mClientInfo.emplace(aClientInfo);
+}
+
+const Maybe<ClientInfo>& LoadInfo::GetClientInfo() { return mClientInfo; }
+
+void LoadInfo::GiveReservedClientSource(
+    UniquePtr<ClientSource>&& aClientSource) {
+  MOZ_DIAGNOSTIC_ASSERT(aClientSource);
+  mReservedClientSource = std::move(aClientSource);
+  SetReservedClientInfo(mReservedClientSource->Info());
+}
+
+UniquePtr<ClientSource> LoadInfo::TakeReservedClientSource() {
+  if (mReservedClientSource) {
+    // If the reserved ClientInfo was set due to a ClientSource being present,
+    // then clear that info object when the ClientSource is taken.
+    mReservedClientInfo.reset();
+  }
+  return std::move(mReservedClientSource);
+}
+
+void LoadInfo::SetReservedClientInfo(const ClientInfo& aClientInfo) {
+  MOZ_DIAGNOSTIC_ASSERT(mInitialClientInfo.isNothing());
+  // Treat assignments of the same value as a no-op.  The emplace below
+  // will normally assert when overwriting an existing value.
+  if (mReservedClientInfo.isSome()) {
+    if (mReservedClientInfo.ref() == aClientInfo) {
+      return;
+    }
+    MOZ_DIAGNOSTIC_ASSERT(false, "mReservedClientInfo already set");
+    mReservedClientInfo.reset();
+  }
+  mReservedClientInfo.emplace(aClientInfo);
+}
+
+void LoadInfo::OverrideReservedClientInfoInParent(
+    const ClientInfo& aClientInfo) {
+  // This should only be called to handle redirects in the parent process.
+  MOZ_ASSERT(XRE_GetProcessType() == GeckoProcessType_Default);
+
+  mInitialClientInfo.reset();
+  mReservedClientInfo.reset();
+  mReservedClientInfo.emplace(aClientInfo);
+}
+
+const Maybe<ClientInfo>& LoadInfo::GetReservedClientInfo() {
+  return mReservedClientInfo;
+}
+
+void LoadInfo::SetInitialClientInfo(const ClientInfo& aClientInfo) {
+  MOZ_DIAGNOSTIC_ASSERT(!mReservedClientSource);
+  MOZ_DIAGNOSTIC_ASSERT(mReservedClientInfo.isNothing());
+  // Treat assignments of the same value as a no-op.  The emplace below
+  // will normally assert when overwriting an existing value.
+  if (mInitialClientInfo.isSome() && mInitialClientInfo.ref() == aClientInfo) {
+    return;
+  }
+  mInitialClientInfo.emplace(aClientInfo);
+}
+
+const Maybe<ClientInfo>& LoadInfo::GetInitialClientInfo() {
+  return mInitialClientInfo;
+}
+
+void LoadInfo::SetController(const ServiceWorkerDescriptor& aServiceWorker) {
+  mController.emplace(aServiceWorker);
+}
+
+void LoadInfo::ClearController() { mController.reset(); }
+
+const Maybe<ServiceWorkerDescriptor>& LoadInfo::GetController() {
+  return mController;
+}
+
+void LoadInfo::SetPerformanceStorage(PerformanceStorage* aPerformanceStorage) {
+  mPerformanceStorage = aPerformanceStorage;
+}
+
+PerformanceStorage* LoadInfo::GetPerformanceStorage() {
+  if (mPerformanceStorage) {
+    return mPerformanceStorage;
+  }
+
+  auto* innerWindow = nsGlobalWindowInner::GetInnerWindowWithId(mInnerWindowID);
+  if (!innerWindow) {
+    return nullptr;
+  }
+
+  if (!TriggeringPrincipal()->Equals(innerWindow->GetPrincipal())) {
+    return nullptr;
+  }
+
+  if (nsILoadInfo::GetExternalContentPolicyType() ==
+          ExtContentPolicy::TYPE_SUBDOCUMENT &&
+      !GetIsFromProcessingFrameAttributes()) {
+    // We only report loads caused by processing the attributes of the
+    // browsing context container.
+    return nullptr;
+  }
+
+  mozilla::dom::Performance* performance = innerWindow->GetPerformance();
+  if (!performance) {
+    return nullptr;
+  }
+
+  return performance->AsPerformanceStorage();
+}
+
+NS_IMETHODIMP
+LoadInfo::GetCspEventListener(nsICSPEventListener** aCSPEventListener) {
+  *aCSPEventListener = do_AddRef(mCSPEventListener).take();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetCspEventListener(nsICSPEventListener* aCSPEventListener) {
+  mCSPEventListener = aCSPEventListener;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetInternalContentPolicyType(nsContentPolicyType* aResult) {
+  *aResult = mInternalContentPolicyType;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetLoadingEmbedderPolicy(
+    nsILoadInfo::CrossOriginEmbedderPolicy* aOutPolicy) {
+  *aOutPolicy = mLoadingEmbedderPolicy;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetLoadingEmbedderPolicy(
+    nsILoadInfo::CrossOriginEmbedderPolicy aPolicy) {
+  mLoadingEmbedderPolicy = aPolicy;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetIsOriginTrialCoepCredentiallessEnabledForTopLevel(
+    bool* aIsOriginTrialCoepCredentiallessEnabledForTopLevel) {
+  *aIsOriginTrialCoepCredentiallessEnabledForTopLevel =
+      mIsOriginTrialCoepCredentiallessEnabledForTopLevel;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetIsOriginTrialCoepCredentiallessEnabledForTopLevel(
+    bool aIsOriginTrialCoepCredentiallessEnabledForTopLevel) {
+  mIsOriginTrialCoepCredentiallessEnabledForTopLevel =
+      aIsOriginTrialCoepCredentiallessEnabledForTopLevel;
+  return NS_OK;
+}
+
+already_AddRefed<nsIContentSecurityPolicy> LoadInfo::GetCsp() {
+  // Before querying the CSP from the client we have to check if the
+  // triggeringPrincipal originates from an addon and potentially
+  // overrides the CSP stored within the client.
+  if (mLoadingPrincipal && BasePrincipal::Cast(mTriggeringPrincipal)
+                               ->OverridesCSP(mLoadingPrincipal)) {
+    nsCOMPtr<nsIExpandedPrincipal> ep = do_QueryInterface(mTriggeringPrincipal);
+    nsCOMPtr<nsIContentSecurityPolicy> addonCSP;
+    if (ep) {
+      addonCSP = ep->GetCsp();
+    }
+    return addonCSP.forget();
+  }
+
+  if (mClientInfo.isNothing()) {
+    return nullptr;
+  }
+
+  nsCOMPtr<nsINode> node = do_QueryReferent(mLoadingContext);
+  RefPtr<Document> doc = node ? node->OwnerDoc() : nullptr;
+
+  // If the client is of type window, then we return the cached CSP
+  // stored on the document instead of having to deserialize the CSP
+  // from the ClientInfo.
+  if (doc && mClientInfo->Type() == ClientType::Window) {
+    nsCOMPtr<nsIContentSecurityPolicy> docCSP = doc->GetCsp();
+    return docCSP.forget();
+  }
+
+  Maybe<mozilla::ipc::CSPInfo> cspInfo = mClientInfo->GetCspInfo();
+  if (cspInfo.isNothing()) {
+    return nullptr;
+  }
+  nsCOMPtr<nsIContentSecurityPolicy> clientCSP =
+      CSPInfoToCSP(cspInfo.ref(), doc);
+  return clientCSP.forget();
+}
+
+already_AddRefed<nsIContentSecurityPolicy> LoadInfo::GetPreloadCsp() {
+  if (mClientInfo.isNothing()) {
+    return nullptr;
+  }
+
+  nsCOMPtr<nsINode> node = do_QueryReferent(mLoadingContext);
+  RefPtr<Document> doc = node ? node->OwnerDoc() : nullptr;
+
+  // If the client is of type window, then we return the cached CSP
+  // stored on the document instead of having to deserialize the CSP
+  // from the ClientInfo.
+  if (doc && mClientInfo->Type() == ClientType::Window) {
+    nsCOMPtr<nsIContentSecurityPolicy> preloadCsp = doc->GetPreloadCsp();
+    return preloadCsp.forget();
+  }
+
+  Maybe<mozilla::ipc::CSPInfo> cspInfo = mClientInfo->GetPreloadCspInfo();
+  if (cspInfo.isNothing()) {
+    return nullptr;
+  }
+  nsCOMPtr<nsIContentSecurityPolicy> preloadCSP =
+      CSPInfoToCSP(cspInfo.ref(), doc);
+  return preloadCSP.forget();
+}
+
+already_AddRefed<nsIContentSecurityPolicy> LoadInfo::GetCspToInherit() {
+  nsCOMPtr<nsIContentSecurityPolicy> cspToInherit = mCspToInherit;
+  return cspToInherit.forget();
+}
+
+nsIInterceptionInfo* LoadInfo::InterceptionInfo() { return mInterceptionInfo; }
+
+void LoadInfo::SetInterceptionInfo(nsIInterceptionInfo* aInfo) {
+  mInterceptionInfo = aInfo;
+}
+
+NS_IMETHODIMP
+LoadInfo::GetHasInjectedCookieForCookieBannerHandling(
+    bool* aHasInjectedCookieForCookieBannerHandling) {
+  *aHasInjectedCookieForCookieBannerHandling =
+      mHasInjectedCookieForCookieBannerHandling;
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+LoadInfo::SetHasInjectedCookieForCookieBannerHandling(
+    bool aHasInjectedCookieForCookieBannerHandling) {
+  mHasInjectedCookieForCookieBannerHandling =
+      aHasInjectedCookieForCookieBannerHandling;
+  return NS_OK;
+}
+
+}  // namespace mozilla::net