Remove parts of //cc we aren't using

cc/resources/scoped_gpu_raster.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 CC_RESOURCES_SCOPED_GPU_RASTER_H_
-#define CC_RESOURCES_SCOPED_GPU_RASTER_H_
-
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "cc/base/cc_export.h"
-#include "cc/output/context_provider.h"
-
-namespace cc {
-
-// The following class is needed to modify GL resources using GPU
-// raster. The user must ensure that they only use GPU raster on
-// GL resources while an instance of this class is alive.
-class CC_EXPORT ScopedGpuRaster {
- public:
-  explicit ScopedGpuRaster(ContextProvider* context_provider);
-  ~ScopedGpuRaster();
-
- private:
-  void BeginGpuRaster();
-  void EndGpuRaster();
-
-  ContextProvider* context_provider_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedGpuRaster);
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_SCOPED_GPU_RASTER_H_