Index: cc/input/scrollbar_animation_controller_thinning.cc |
diff --git a/cc/input/scrollbar_animation_controller_thinning.cc b/cc/input/scrollbar_animation_controller_thinning.cc |
index 4324a4347bf32943698961ea04265905845f8ff1..74352996fcff1cb964b2685c956ac76819694980 100644 |
--- a/cc/input/scrollbar_animation_controller_thinning.cc |
+++ b/cc/input/scrollbar_animation_controller_thinning.cc |
@@ -82,6 +82,9 @@ void ScrollbarAnimationControllerThinning::DidCaptureScrollbarEnd() { |
} |
void ScrollbarAnimationControllerThinning::DidMouseMoveOffScrollbar() { |
+ if (!mouse_is_over_scrollbar_ && !mouse_is_near_scrollbar_) |
+ return; |
+ |
mouse_is_over_scrollbar_ = false; |
mouse_is_near_scrollbar_ = false; |