Index: cc/layer_tree_impl.h |
diff --git a/cc/layer_tree_impl.h b/cc/layer_tree_impl.h |
index 31d5a67e8a9d27010ff93592585ae390221ad5e4..c1266b6a45f3c58f39ccb5dccef085fe581113ea 100644 |
--- a/cc/layer_tree_impl.h |
+++ b/cc/layer_tree_impl.h |
@@ -133,7 +133,10 @@ 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); |