Notification on finish handling of top control gesture

cc/input/top_controls_manager.cc

Index: cc/input/top_controls_manager.cc
diff --git a/cc/input/top_controls_manager.cc b/cc/input/top_controls_manager.cc
index 871d9e6f69c9a2098617564c0d257c8148a93d4a..ea21e8b8872e654ca9e2afe6b4c994f202160438 100644
--- a/cc/input/top_controls_manager.cc
+++ b/cc/input/top_controls_manager.cc
@@ -128,6 +128,8 @@ gfx::Vector2dF TopControlsManager::ScrollBy(
 void TopControlsManager::ScrollEnd() {
   DCHECK(!pinch_gesture_active_);
   StartAnimationIfNecessary();
+  if (!top_controls_animation_)
+    client_->DidFinishTopControlsGesture();
 }
 
 void TopControlsManager::PinchBegin() {
@@ -173,8 +175,10 @@ gfx::Vector2dF TopControlsManager::Animate(base::TimeTicks monotonic_time) {
 }
 
 void TopControlsManager::ResetAnimations() {
-  if (top_controls_animation_)
+  if (top_controls_animation_) {
     top_controls_animation_.reset();
+    client_->DidFinishTopControlsGesture();
+  }
 
   animation_direction_ = NO_ANIMATION;
 }