Clear RenderThread of any Chrome specific code, and move a bunch of stuff out of RenderView.

content/renderer/render_process_observer.h

 // Copyright (c) 2011 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_RENDERER_RENDER_PROCESS_OBSERVER_H_
 #define CONTENT_RENDERER_RENDER_PROCESS_OBSERVER_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ipc/ipc_message.h"
 
 class GURL;
 
 // Base class for objects that want to filter control IPC messages and get
 // notified of events.
-class RenderProcessObserver {
+class RenderProcessObserver : public IPC::Message::Sender {
  public:
   RenderProcessObserver();
   virtual ~RenderProcessObserver();
 
+  // IPC::Message::Sender
+  virtual bool Send(IPC::Message* message);
+
   // Allows filtering of control messages.
   virtual bool OnControlMessageReceived(const IPC::Message& message);
 
   // Notification that the render process is shutting down.
   virtual void OnRenderProcessShutdown();
 
   // Called right after the WebKit API is initialized.
   virtual void WebKitInitialized();
 
   // See WebViewClient::allowScriptExtension
   virtual bool AllowScriptExtension(const std::string& v8_extension_name,
                                     const GURL& url,
                                     int extension_group);
 
   virtual void IdleNotification();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderProcessObserver);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_PROCESS_OBSERVER_H_