HUD: Show first paint invalidation in red

cc/blink/web_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_LAYER_IMPL_H_
 #define CC_BLINK_WEB_LAYER_IMPL_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
@@ skipping 40 matching lines @@
 
   static bool UsingPictureLayer();
   CC_BLINK_EXPORT static void SetImplSidePaintingEnabled(bool enabled);
 
   CC_BLINK_EXPORT cc::Layer* layer() const;
 
   // WebLayer implementation.
   virtual int id() const;
   virtual void invalidateRect(const blink::WebFloatRect&);
   virtual void invalidate();
+  virtual void setIncludesFirstPaintInvalidation();
   virtual void addChild(blink::WebLayer* child);
   virtual void insertChild(blink::WebLayer* child, size_t index);
   virtual void replaceChild(blink::WebLayer* reference,
                             blink::WebLayer* new_layer);
   virtual void removeFromParent();
   virtual void removeAllChildren();
   virtual void setBounds(const blink::WebSize& bounds);
   virtual blink::WebSize bounds() const;
   virtual void setMasksToBounds(bool masks_to_bounds);
   virtual bool masksToBounds() const;
@@ skipping 72 matching lines @@
 
  private:
   scoped_ptr<WebToCCAnimationDelegateAdapter> animation_delegate_adapter_;
 
   DISALLOW_COPY_AND_ASSIGN(WebLayerImpl);
 };
 
 }  // namespace cc_blink
 
 #endif  // CC_BLINK_WEB_LAYER_IMPL_H_