Header cleanup in chrome/renderer/.

chrome/renderer/render_process_impl.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_RENDERER_RENDER_PROCESS_IMPL_H_
 #define CHROME_RENDERER_RENDER_PROCESS_IMPL_H_
 #pragma once
 
 #include "base/timer.h"
 #include "chrome/renderer/render_process.h"
-#include "chrome/renderer/render_thread.h"
 #include "native_client/src/shared/imc/nacl_imc.h"
-#include "skia/ext/platform_canvas.h"
+
+namespace skia {
+class PlatformCanvas;
+}
 
 // Implementation of the RenderProcess interface for the regular browser.
 // See also MockRenderProcess which implements the active "RenderProcess" when
 // running under certain unit tests.
 class RenderProcessImpl : public RenderProcess {
  public:
   RenderProcessImpl();
   ~RenderProcessImpl();
 
   // RenderProcess implementation.
@@ skipping 42 matching lines @@
   // TransportDIB sequence number
   uint32 transport_dib_next_sequence_number_;
 
   bool in_process_plugins_;
   bool initialized_media_library_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderProcessImpl);
 };
 
 #endif  // CHROME_RENDERER_RENDER_PROCESS_IMPL_H_