Revert of Unified Gesture Recognizer

ui/aura/window_event_dispatcher.cc

Index: ui/aura/window_event_dispatcher.cc
diff --git a/ui/aura/window_event_dispatcher.cc b/ui/aura/window_event_dispatcher.cc
index 3dc74329b4c817ab47d05b155ed2525843b6e40a..a089435bf2720dbb96a21569f51db8a99d99b4ae 100644
--- a/ui/aura/window_event_dispatcher.cc
+++ b/ui/aura/window_event_dispatcher.cc
@@ -493,6 +493,11 @@
     ui::GestureConsumer* consumer) {
   Window* consumer_window = ConsumerToWindow(consumer);
   return (consumer_window && consumer_window->GetRootWindow() == window());
+}
+
+void WindowEventDispatcher::DispatchPostponedGestureEvent(
+    ui::GestureEvent* event) {
+  DispatchGestureEvent(event);
 }
 
 void WindowEventDispatcher::DispatchCancelTouchEvent(ui::TouchEvent* event) {