Cleanup WebImageLayerImpl by removing setBitmap(SkBitmap)

cc/blink/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 CC_BLINK_WEB_IMAGE_LAYER_IMPL_H_
 #define CC_BLINK_WEB_IMAGE_LAYER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/blink/cc_blink_export.h"
 #include "third_party/WebKit/public/platform/WebImageLayer.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace cc_blink {
 
 class WebLayerImpl;
 
 class WebImageLayerImpl : public blink::WebImageLayer {
  public:
   CC_BLINK_EXPORT WebImageLayerImpl();
   virtual ~WebImageLayerImpl();
 
   // blink::WebImageLayer implementation.
   virtual blink::WebLayer* layer();
-  // TODO(vivekg): Remove setBitmap() once https://crrev.com/583733002 lands.
-  virtual void setBitmap(SkBitmap);
   virtual void setImageBitmap(const SkBitmap& bitmap);
 
  private:
   scoped_ptr<WebLayerImpl> layer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebImageLayerImpl);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_IMAGE_LAYER_IMPL_H_