Move BrowserThread to content namespace.

content/browser/renderer_host/gpu_message_filter.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_BROWSER_RENDERER_HOST_GPU_MESSAGE_FILTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_GPU_MESSAGE_FILTER_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "content/browser/browser_message_filter.h"
@@ skipping 18 matching lines @@
  public:
   GpuMessageFilter(int render_process_id,
                    RenderWidgetHelper* render_widget_helper);
 
   // BrowserMessageFilter methods:
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok);
   virtual void OnDestruct() const;
 
  private:
-  friend class BrowserThread;
+  friend class content::BrowserThread;
   friend class DeleteTask<GpuMessageFilter>;
   virtual ~GpuMessageFilter();
 
   // Message handlers called on the browser IO thread:
   void OnEstablishGpuChannel(content::CauseForGpuLaunch,
                              IPC::Message* reply);
   void OnCreateViewCommandBuffer(
       int32 render_view_id,
       const GPUCreateCommandBufferConfig& init_params,
       IPC::Message* reply);
 
   int gpu_host_id_;
   int render_process_id_;
 
   scoped_refptr<RenderWidgetHelper> render_widget_helper_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuMessageFilter);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_GPU_MESSAGE_FILTER_H_