Make BrowserMessageFilter not derive from IPC::ChannelProxy::MessageFilter. This allows us to hide …

content/browser/renderer_host/render_process_host_impl.h

 // Copyright (c) 2012 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_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 89 matching lines @@
   virtual int GetID() const OVERRIDE;
   virtual bool HasConnection() const OVERRIDE;
   virtual void SetIgnoreInputEvents(bool ignore_input_events) OVERRIDE;
   virtual bool IgnoreInputEvents() const OVERRIDE;
   virtual void Cleanup() OVERRIDE;
   virtual void AddPendingView() OVERRIDE;
   virtual void RemovePendingView() OVERRIDE;
   virtual void SetSuddenTerminationAllowed(bool enabled) OVERRIDE;
   virtual bool SuddenTerminationAllowed() const OVERRIDE;
   virtual IPC::ChannelProxy* GetChannel() OVERRIDE;
+  virtual void AddFilter(BrowserMessageFilter* filter) OVERRIDE;
   virtual bool FastShutdownForPageCount(size_t count) OVERRIDE;
   virtual bool FastShutdownStarted() const OVERRIDE;
   virtual base::TimeDelta GetChildProcessIdleTime() const OVERRIDE;
   virtual void SurfaceUpdated(int32 surface_id) OVERRIDE;
   virtual void ResumeRequestsForView(int route_id) OVERRIDE;
 
   // IPC::Sender via RenderProcessHost.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener via RenderProcessHost.
@@ skipping 212 matching lines @@
 #if defined(OS_ANDROID)
   scoped_refptr<BrowserDemuxerAndroid> browser_demuxer_android_;
 #endif
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_BROWSER_RENDER_PROCESS_HOST_IMPL_H_