Revert 245010 "Inject GPUDataManager support into ash to abstrac..."

trunk/src/ash/content_support/gpu_support_impl.h

-// Copyright 2014 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 ASH_CONTENT_SUPPORT_GPU_SUPPORT_IMPL_H_
-#define ASH_CONTENT_SUPPORT_GPU_SUPPORT_IMPL_H_
-
-#include "ash/gpu_support.h"
-
-namespace ash {
-
-class GPUSupportImpl : public GPUSupport {
- public:
-  GPUSupportImpl();
-  virtual ~GPUSupportImpl();
-
- private:
-  // Overridden from GPUSupport:
-  virtual bool IsPanelFittingDisabled() const OVERRIDE;
-  virtual void DisableGpuWatchdog() OVERRIDE;
-  virtual void GetGpuProcessHandles(
-      const GetGpuProcessHandlesCallback& callback) const OVERRIDE;
-
-  DISALLOW_COPY_AND_ASSIGN(GPUSupportImpl);
-};
-
-}  // namespace ash
-
-#endif  // ASH_CONTENT_SUPPORT_GPU_SUPPORT_IMPL_H_