1 files changed, 70 insertions, 0 deletions
diff --git a/dom/fetch/EmptyBody.h b/dom/fetch/EmptyBody.h
new file mode 100644
index 0000000000..dce71d4ae2
--- /dev/null
+++ b/dom/fetch/EmptyBody.h
@@ -0,0 +1,70 @@
+/* -*- 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 mozilla_dom_EmptyBody_h
+#define mozilla_dom_EmptyBody_h
+
+#include "nsISupportsImpl.h"
+
+#include "mozilla/dom/Fetch.h"
+
+namespace mozilla {
+
+namespace ipc {
+class PrincipalInfo;
+}  // namespace ipc
+
+namespace dom {
+
+class EmptyBody final : public FetchBody<EmptyBody> {
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(EmptyBody,
+                                                         FetchBody<EmptyBody>)
+
+ public:
+  static already_AddRefed<EmptyBody> Create(
+      nsIGlobalObject* aGlobal, mozilla::ipc::PrincipalInfo* aPrincipalInfo,
+      AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
+      ErrorResult& aRv);
+
+  nsIGlobalObject* GetParentObject() const { return mOwner; }
+
+  AbortSignalImpl* GetSignalImpl() const override { return mAbortSignalImpl; }
+
+  const UniquePtr<mozilla::ipc::PrincipalInfo>& GetPrincipalInfo() const {
+    return mPrincipalInfo;
+  }
+
+  void GetMimeType(nsACString& aMimeType) { aMimeType = mMimeType; }
+
+  void GetBody(nsIInputStream** aStream, int64_t* aBodyLength = nullptr);
+
+  using FetchBody::BodyBlobURISpec;
+
+  const nsACString& BodyBlobURISpec() const { return EmptyCString(); }
+
+  using FetchBody::BodyLocalPath;
+
+  const nsAString& BodyLocalPath() const { return EmptyString(); }
+
+ private:
+  EmptyBody(nsIGlobalObject* aGlobal,
+            mozilla::ipc::PrincipalInfo* aPrincipalInfo,
+            AbortSignalImpl* aAbortSignalImpl, const nsACString& aMimeType,
+            already_AddRefed<nsIInputStream> mBodyStream);
+
+  ~EmptyBody();
+
+  UniquePtr<mozilla::ipc::PrincipalInfo> mPrincipalInfo;
+  RefPtr<AbortSignalImpl> mAbortSignalImpl;
+  nsCString mMimeType;
+  nsCOMPtr<nsIInputStream> mBodyStream;
+};
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // mozilla_dom_EmptyBody_h