Define a --force-gpu-rasterization flag

webkit/renderer/compositor_bindings/web_layer_impl.h

 // Copyright 2011 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 WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_H_
 #define WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 34 matching lines @@
 class WebToCCAnimationDelegateAdapter;
 
 class WebLayerImpl : public blink::WebLayer, public cc::LayerClient {
  public:
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT WebLayerImpl();
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT explicit WebLayerImpl(
       scoped_refptr<cc::Layer>);
   virtual ~WebLayerImpl();
 
   static bool UsingPictureLayer();
+  WEBKIT_COMPOSITOR_BINDINGS_EXPORT static void SetImplSidePaintingEnabled(
+      bool enabled);
 
   WEBKIT_COMPOSITOR_BINDINGS_EXPORT cc::Layer* layer() const;
 
   // WebLayer implementation.
   virtual int id() const;
   virtual void invalidateRect(const blink::WebFloatRect&);
   virtual void invalidate();
   virtual void addChild(blink::WebLayer* child);
   virtual void insertChild(blink::WebLayer* child, size_t index);
   virtual void replaceChild(blink::WebLayer* reference,
@@ skipping 79 matching lines @@
 
  private:
   scoped_ptr<WebToCCAnimationDelegateAdapter> animation_delegate_adapter_;
 
   DISALLOW_COPY_AND_ASSIGN(WebLayerImpl);
 };
 
 }  // namespace webkit
 
 #endif  // WEBKIT_RENDERER_COMPOSITOR_BINDINGS_WEB_LAYER_IMPL_H_