Damage root layer when viewport or top controls changes.

cc/trees/layer_tree_host_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 CC_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 96 matching lines @@
   virtual void PinchGestureEnd() OVERRIDE;
   virtual void StartPageScaleAnimation(gfx::Vector2d target_offset,
                                        bool anchor_point,
                                        float page_scale,
                                        base::TimeTicks start_time,
                                        base::TimeDelta duration) OVERRIDE;
   virtual void ScheduleAnimation() OVERRIDE;
   virtual bool HaveTouchEventHandlersAt(gfx::Point viewport_port) OVERRIDE;
 
   // TopControlsManagerClient implementation.
-  virtual void setActiveTreeNeedsUpdateDrawProperties() OVERRIDE;
-  virtual void setNeedsRedraw() OVERRIDE;
-  virtual bool haveRootScrollLayer() const OVERRIDE;
+  virtual void DidChangeTopControlsPosition() OVERRIDE;
+  virtual bool HaveRootScrollLayer() const OVERRIDE;
 
   void StartScrollbarAnimation(base::TimeTicks now);
 
   struct CC_EXPORT FrameData : public RenderPassSink {
     FrameData();
     virtual ~FrameData();
 
     std::vector<gfx::Rect> occluding_screen_space_rects;
     std::vector<gfx::Rect> non_occluding_screen_space_rects;
     RenderPassList render_passes;
@@ skipping 96 matching lines @@
 
   // Shortcuts to layers on the active tree.
   LayerImpl* RootLayer() const;
   LayerImpl* RootScrollLayer() const;
   LayerImpl* CurrentlyScrollingLayer() const;
 
   virtual void SetVisible(bool visible);
   bool visible() const { return visible_; }
 
   void SetNeedsCommit() { client_->SetNeedsCommitOnImplThread(); }
+  void SetNeedsRedraw() { client_->SetNeedsRedrawOnImplThread(); }
 
   size_t memory_allocation_limit_bytes() const {
     return managed_memory_policy_.bytes_limit_when_visible;
   }
 
   void SetViewportSize(gfx::Size layout_viewport_size,
                        gfx::Size device_viewport_size);
   gfx::Size layout_viewport_size() const { return layout_viewport_size_; }
   gfx::Size device_viewport_size() const { return device_viewport_size_; }
 
@@ skipping 225 matching lines @@
   scoped_ptr<AnimationRegistrar> animation_registrar_;
 
   RenderingStatsInstrumentation* rendering_stats_instrumentation_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_