Connecting webrtc-internals WebUI frontend with the backend

content/browser/renderer_host/media/peer_connection_tracker_host.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_
 
 #include "content/public/browser/browser_message_filter.h"
 
 struct PeerConnectionInfo;
 
 namespace content {
-class WebRTCInternals;
 
 // This class is the host for PeerConnectionTracker in the browser process
 // managed by RenderProcessHostImpl. It passes IPC messages between
 // WebRTCInternals and PeerConnectionTracker.
 class PeerConnectionTrackerHost : public BrowserMessageFilter {
  public:
   PeerConnectionTrackerHost();
 
   // content::BrowserMessageFilter override.
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
+  virtual void OverrideThreadForMessage(const IPC::Message& message,
+                                        BrowserThread::ID* thread) OVERRIDE;
 
  protected:
   virtual ~PeerConnectionTrackerHost();
 
  private:
   // Handlers for peer connection messages coming from the renderer.
   void OnAddPeerConnection(const PeerConnectionInfo& info);
   void OnRemovePeerConnection(int lid);
 
   DISALLOW_COPY_AND_ASSIGN(PeerConnectionTrackerHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_PEER_CONNECTION_TRACKER_HOST_H_