Remove #pragma once from content

content/browser/renderer_host/image_transport_client.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_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_
 #define CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_
-#pragma once
 
 #include "base/basictypes.h"
 #include "ui/compositor/compositor.h"
 #include "ui/surface/transport_dib.h"
 
 namespace gfx {
 class Size;
 }
 class ImageTransportFactory;
 
@@ skipping 20 matching lines @@
  protected:
   ImageTransportClient(bool flipped, const gfx::Size& size);
   virtual ~ImageTransportClient() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageTransportClient);
 };
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_IMAGE_TRANSPORT_CLIENT_H_