Notification on finish handling of top control gesture

cc/input/input_handler.h

Index: cc/input/input_handler.h
diff --git a/cc/input/input_handler.h b/cc/input/input_handler.h
index fde89d265d6f6d7043065d6a6ef9833202b01f55..538339f50b8a9bcd165960659073ea75a969aa85 100644
--- a/cc/input/input_handler.h
+++ b/cc/input/input_handler.h
@@ -43,6 +43,10 @@ class CC_EXPORT InputHandlerClient {
   // InputHandler::ScrollBegin.
   virtual void DidOverscroll(const DidOverscrollParams& params) = 0;
 
+  // Called when the TopControlsManager has finished handling the top control
+  // auto-hide/auto-show gesture.
+  virtual void DidFinishTopControlsGesture() = 0;
+
  protected:
   InputHandlerClient() {}