1 files changed, 57 insertions, 0 deletions
diff --git a/dom/base/ThirdPartyUtil.h b/dom/base/ThirdPartyUtil.h
new file mode 100644
index 0000000000..39ba91a2e5
--- /dev/null
+++ b/dom/base/ThirdPartyUtil.h
@@ -0,0 +1,57 @@
+/* -*- 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/. */
+
+#ifndef ThirdPartyUtil_h__
+#define ThirdPartyUtil_h__
+
+#include <cstdint>
+#include "ErrorList.h"
+#include "mozIThirdPartyUtil.h"
+#include "mozilla/RefPtr.h"
+#include "nsISupports.h"
+#include "nsString.h"
+
+class mozIDOMWindowProxy;
+class nsEffectiveTLDService;
+class nsIChannel;
+class nsIPrincipal;
+class nsIURI;
+class nsPIDOMWindowOuter;
+
+namespace mozilla::dom {
+class WindowGlobalParent;
+}  // namespace mozilla::dom
+
+class ThirdPartyUtil final : public mozIThirdPartyUtil {
+ public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_MOZITHIRDPARTYUTIL
+
+  nsresult Init();
+
+  static void Startup();
+  static ThirdPartyUtil* GetInstance();
+
+  nsresult IsThirdPartyGlobal(mozilla::dom::WindowGlobalParent* aWindowGlobal,
+                              bool* aResult);
+
+ private:
+  ~ThirdPartyUtil();
+
+  bool IsThirdPartyInternal(const nsCString& aFirstDomain,
+                            const nsCString& aSecondDomain) {
+    // Check strict equality.
+    return aFirstDomain != aSecondDomain;
+  }
+  nsresult IsThirdPartyInternal(const nsCString& aFirstDomain,
+                                nsIURI* aSecondURI, bool* aResult);
+
+  nsCString GetBaseDomainFromWindow(nsPIDOMWindowOuter* aWindow);
+
+  RefPtr<nsEffectiveTLDService> mTLDService;
+};
+
+#endif