Index: cc/layer_tree_impl.h |
diff --git a/cc/layer_tree_impl.h b/cc/layer_tree_impl.h |
index 1adade2c2b25ee95101abe9d3e1404eb0d636dd3..b2abec870498dcf4a822100f4d9c877e92221066 100644 |
--- a/cc/layer_tree_impl.h |
+++ b/cc/layer_tree_impl.h |
@@ -134,7 +134,10 @@ class CC_EXPORT LayerTreeImpl { |
const LayerList& RenderSurfaceLayerList() const; |
+ // These return the size of the root scrollable area and the size of |
+ // the user-visible scrolling viewport, in CSS layout coordinates. |
gfx::Size ScrollableSize() const; |
+ gfx::SizeF ScrollableViewportSize() const; |
LayerImpl* LayerById(int id); |