Add GetIOMessageLoopProxy method to RenderThread interface.

content/test/mock_render_thread.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_TEST_MOCK_RENDER_THREAD_H_
 #define CONTENT_TEST_MOCK_RENDER_THREAD_H_
 #pragma once
 
 #include "base/shared_memory.h"
 #include "base/string16.h"
@@ skipping 25 matching lines @@
   // Helpers for embedders to know when content IPC messages are received, since
   // they don't have access to content IPC files.
   void VerifyRunJavaScriptMessageSend(const string16& expected_alert_message);
 
   // content::RenderThread implementation:
   virtual bool Send(IPC::Message* msg) OVERRIDE;
   virtual MessageLoop* GetMessageLoop() OVERRIDE;
   virtual IPC::SyncChannel* GetChannel() OVERRIDE;
   virtual std::string GetLocale() OVERRIDE;
   virtual IPC::SyncMessageFilter* GetSyncMessageFilter() OVERRIDE;
+  virtual scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy()
+      OVERRIDE;
   virtual void AddRoute(int32 routing_id,
                         IPC::Channel::Listener* listener) OVERRIDE;
   virtual void RemoveRoute(int32 routing_id) OVERRIDE;
   virtual int GenerateRoutingID() OVERRIDE;
   virtual void AddFilter(IPC::ChannelProxy::MessageFilter* filter) OVERRIDE;
   virtual void RemoveFilter(IPC::ChannelProxy::MessageFilter* filter) OVERRIDE;
   virtual void SetOutgoingMessageFilter(
       IPC::ChannelProxy::OutgoingMessageFilter* filter) OVERRIDE;
   virtual void AddObserver(content::RenderProcessObserver* observer) OVERRIDE;
   virtual void RemoveObserver(
@@ skipping 91 matching lines @@
   // Routing id that will be assigned to a CreateWindow Widget.
   int32 new_window_routing_id_;
 
   // The last known good deserializer for sync messages.
   scoped_ptr<IPC::MessageReplyDeserializer> reply_deserializer_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_TEST_MOCK_RENDER_THREAD_H_