Break Sky's dependency on cc

sky/viewer/cc/web_image_layer_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_IMAGE_LAYER_IMPL_H_
-#define SKY_VIEWER_CC_WEB_IMAGE_LAYER_IMPL_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "sky/viewer/cc/sky_viewer_cc_export.h"
-#include "sky/engine/public/platform/WebImageLayer.h"
-#include "third_party/skia/include/core/SkBitmap.h"
-
-namespace sky_viewer_cc {
-
-class WebLayerImpl;
-
-class WebImageLayerImpl : public blink::WebImageLayer {
- public:
-  SKY_VIEWER_CC_EXPORT WebImageLayerImpl();
-  virtual ~WebImageLayerImpl();
-
-  // blink::WebImageLayer implementation.
-  virtual blink::WebLayer* layer();
-  virtual void setBitmap(SkBitmap);
-
- private:
-  scoped_ptr<WebLayerImpl> layer_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebImageLayerImpl);
-};
-
-}  // namespace sky_viewer_cc
-
-#endif  // SKY_VIEWER_CC_WEB_IMAGE_LAYER_IMPL_H_