X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2Fcc%2Ftrees%2Flayer_tree_host.h;h=1a2a65b4a62396a1788351b5ba1591624aab103f;hb=ff3e2503a20db9193d323c1d19c38c68004dec4a;hp=867bb197caf29fcea3537656c958fc85f615ad14;hpb=7338fba38ba696536d1cc9d389afd716a6ab2fe6;p=platform%2Fframework%2Fweb%2Fcrosswalk.git

diff --git a/src/cc/trees/layer_tree_host.h b/src/cc/trees/layer_tree_host.h
index 867bb19..1a2a65b 100644
--- a/src/cc/trees/layer_tree_host.h
+++ b/src/cc/trees/layer_tree_host.h
@@ -195,13 +195,19 @@ class CC_EXPORT LayerTreeHost {
       scoped_refptr<Layer> page_scale_layer,
       scoped_refptr<Layer> inner_viewport_scroll_layer,
       scoped_refptr<Layer> outer_viewport_scroll_layer);
+  Layer* inner_viewport_scroll_layer() const {
+    return inner_viewport_scroll_layer_.get();
+  }
+  Layer* outer_viewport_scroll_layer() const {
+    return outer_viewport_scroll_layer_.get();
+  }
 
   const LayerTreeSettings& settings() const { return settings_; }
 
   void SetDebugState(const LayerTreeDebugState& debug_state);
   const LayerTreeDebugState& debug_state() const { return debug_state_; }
 
-  void SetViewportSize(gfx::Size device_viewport_size);
+  void SetViewportSize(const gfx::Size& device_viewport_size);
   void SetOverdrawBottomHeight(float overdraw_bottom_height);
 
   gfx::Size device_viewport_size() const { return device_viewport_size_; }
@@ -229,12 +235,14 @@ class CC_EXPORT LayerTreeHost {
   void SetVisible(bool visible);
   bool visible() const { return visible_; }
 
-  void StartPageScaleAnimation(gfx::Vector2d target_offset,
+  void StartPageScaleAnimation(const gfx::Vector2d& target_offset,
                                bool use_anchor,
                                float scale,
                                base::TimeDelta duration);
 
   void ApplyScrollAndScale(const ScrollAndScaleSet& info);
+  gfx::Vector2d DistributeScrollOffsetToViewports(const gfx::Vector2d offset,
+                                                  Layer* layer);
 
   void SetImplTransform(const gfx::Transform& transform);