Upstream version 5.34.104.0

[platform/framework/web/crosswalk.git] / src / cc / trees / layer_tree_host.h

diff --git a/src/cc/trees/layer_tree_host.h b/src/cc/trees/layer_tree_host.h
index 867bb19..1a2a65b 100644 (file)
--- 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);