Split GpuProcessHost into GpuProcessHostUIShim, which runs on the UI...

chrome/browser/renderer_host/gpu_view_host.h

 // Copyright (c) 2010 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 CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_
 
 #include "base/basictypes.h"
 #include "chrome/common/gpu_native_window_handle.h"
 
 class BackingStore;
-class GpuProcessHost;
+class GpuProcessHostUIShim;
 class RenderWidgetHost;
 class VideoLayer;
 
 namespace gfx {
 class Size;
 }
 
 // A proxy for the GPU process' window for rendering pages.
 class GpuViewHost {
  public:
@@ skipping 10 matching lines @@
 
   // Notification that the RenderWidgetHost has been asked to paint the window.
   // Depending on the backing store, the GPU backing store may have to repaint
   // at this time. On Linux this is needed because the GPU process paints
   // directly into the RWH's X window.
   void OnWindowPainted();
 
  private:
   RenderWidgetHost* widget_;
 
-  GpuProcessHost* process_;
+  GpuProcessHostUIShim* process_shim_;
   int32 routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_