Break Sky's dependency on cc

sky/viewer/cc/web_external_bitmap_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 SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_
-#define SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_
-
-#include "base/bind.h"
-#include "base/memory/scoped_ptr.h"
-#include "sky/viewer/cc/sky_viewer_cc_export.h"
-#include "sky/engine/public/platform/WebExternalBitmap.h"
-
-namespace base {
-class SharedMemory;
-}
-
-namespace sky_viewer_cc {
-
-typedef scoped_ptr<base::SharedMemory>(*SharedMemoryAllocationFunction)(size_t);
-
-// Sets the function that this will use to allocate shared memory.
-SKY_VIEWER_CC_EXPORT void SetSharedMemoryAllocationFunction(
-    SharedMemoryAllocationFunction);
-
-class WebExternalBitmapImpl : public blink::WebExternalBitmap {
- public:
-  SKY_VIEWER_CC_EXPORT explicit WebExternalBitmapImpl();
-  virtual ~WebExternalBitmapImpl();
-
-  // blink::WebExternalBitmap implementation.
-  virtual blink::WebSize size() override;
-  virtual void setSize(blink::WebSize size) override;
-  virtual uint8* pixels() override;
-
-  base::SharedMemory* shared_memory() { return shared_memory_.get(); }
-
- private:
-  scoped_ptr<base::SharedMemory> shared_memory_;
-  blink::WebSize size_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebExternalBitmapImpl);
-};
-
-}  // namespace sky_viewer_cc
-
-#endif  // SKY_VIEWER_CC_WEB_EXTERNAL_BITMAP_IMPL_H_