Index: cc/trees/layer_tree_host_impl.h |
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h |
index 60fb579f067a2653f2c70d77803e45b983b137e1..e3201e0bd273716ee73c05c7a24ef987c7ce4c64 100644 |
--- a/cc/trees/layer_tree_host_impl.h |
+++ b/cc/trees/layer_tree_host_impl.h |
@@ -522,7 +522,12 @@ class CC_EXPORT LayerTreeHostImpl |
bool UseZeroCopyRasterizer() const; |
bool UseOneCopyRasterizer() const; |
+ // Scroll by preferring to move the outer viewport first, only moving the |
+ // inner if the outer is at its scroll extents. |
void ScrollViewportBy(gfx::Vector2dF scroll_delta); |
+ // Scroll by preferring to move the inner viewport first, only moving the |
+ // outer if the inner is at its scroll extents. |
+ void ScrollViewportInnerFirst(gfx::Vector2dF scroll_delta); |
void AnimatePageScale(base::TimeTicks monotonic_time); |
void AnimateScrollbars(base::TimeTicks monotonic_time); |
void AnimateTopControls(base::TimeTicks monotonic_time); |