1 files changed, 79 insertions, 0 deletions
diff --git a/toolkit/components/extensions/webrequest/WebRequestService.h b/toolkit/components/extensions/webrequest/WebRequestService.h
new file mode 100644
index 0000000000..b963586169
--- /dev/null
+++ b/toolkit/components/extensions/webrequest/WebRequestService.h
@@ -0,0 +1,79 @@
+/* -*- 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_WebRequestService_h
+#define mozilla_WebRequestService_h
+
+#include "mozilla/LinkedList.h"
+#include "mozilla/UniquePtr.h"
+
+#include "mozilla/extensions/ChannelWrapper.h"
+#include "mozilla/extensions/WebExtensionPolicy.h"
+
+#include "nsHashKeys.h"
+#include "nsTHashMap.h"
+
+class nsAtom;
+class nsIRemoteTab;
+class nsITraceableChannel;
+
+namespace mozilla {
+namespace dom {
+class BrowserParent;
+class ContentParent;
+}  // namespace dom
+
+namespace extensions {
+
+class ChannelWrapper;
+
+class WebRequestChannelEntry final {
+ public:
+  ~WebRequestChannelEntry();
+
+ private:
+  friend class WebRequestService;
+
+  explicit WebRequestChannelEntry(ChannelWrapper* aChannel);
+
+  uint64_t mChannelId;
+  WeakPtr<ChannelWrapper> mChannel;
+};
+
+class WebRequestService final {
+ public:
+  NS_INLINE_DECL_REFCOUNTING(WebRequestService)
+
+  WebRequestService() = default;
+
+  static already_AddRefed<WebRequestService> GetInstance() {
+    return do_AddRef(&GetSingleton());
+  }
+
+  static WebRequestService& GetSingleton();
+
+  using ChannelEntry = WebRequestChannelEntry;
+
+  UniquePtr<ChannelEntry> RegisterChannel(ChannelWrapper* aChannel);
+
+  void UnregisterTraceableChannel(uint64_t aChannelId);
+
+  already_AddRefed<nsITraceableChannel> GetTraceableChannel(
+      uint64_t aChannelId, nsAtom* aAddonId,
+      dom::ContentParent* aContentParent);
+
+ private:
+  ~WebRequestService() = default;
+
+  friend ChannelEntry;
+
+  nsTHashMap<nsUint64HashKey, ChannelEntry*> mChannelEntries;
+};
+
+}  // namespace extensions
+}  // namespace mozilla
+
+#endif  // mozilla_WebRequestService_h