Deleted code associated with --enable-gpu-rendering and...

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_
-#pragma once
-
-#include "base/basictypes.h"
-#include "chrome/common/gpu_native_window_handle.h"
-
-class BackingStore;
-class GpuProcessHostUIShim;
-class RenderWidgetHost;
-class VideoLayer;
-
-namespace gfx {
-class Size;
-}
-
-// A proxy for the GPU process' window for rendering pages.
-class GpuViewHost {
- public:
-  GpuViewHost(RenderWidgetHost* widget, GpuNativeWindowHandle parent);
-  ~GpuViewHost();
-
-  // Creates a new backing store in the GPU process and returns ownership of
-  // the new pointer to the caller.
-  BackingStore* CreateBackingStore(const gfx::Size& size);
-
-  // Creates a new video layer in the GPU process and returns ownership of the
-  // new pointer to the caller.
-  VideoLayer* CreateVideoLayer(const gfx::Size& size);
-
-  // 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_;
-
-  GpuProcessHostUIShim* process_shim_;
-  int32 routing_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(GpuViewHost);
-};
-
-#endif  // CHROME_BROWSER_RENDERER_HOST_GPU_VIEW_HOST_H_