Index: cc/trees/layer_tree_host_client.h |
diff --git a/cc/trees/layer_tree_host_client.h b/cc/trees/layer_tree_host_client.h |
index 2e3023a7f79ac69b837207c9f3ee9dad5a74c5bb..0327be9c5cb8f1b2203cebf2cce2dbfe9fc0c39b 100644 |
--- a/cc/trees/layer_tree_host_client.h |
+++ b/cc/trees/layer_tree_host_client.h |
@@ -25,7 +25,7 @@ class LayerTreeHostClient { |
virtual void DidBeginMainFrame() = 0; |
virtual void Animate(double frame_begin_time) = 0; |
virtual void Layout() = 0; |
- virtual void ApplyScrollAndScale(gfx::Vector2d scroll_delta, |
+ virtual void ApplyScrollAndScale(const gfx::Vector2d& scroll_delta, |
float page_scale) = 0; |
// Creates an OutputSurface. If fallback is true, it should attempt to |
// create an OutputSurface that is guaranteed to initialize correctly. |