Revert of Unified Gesture Recognizer

ui/aura/window_event_dispatcher.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura/window_event_dispatcher.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 477 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowEventDispatcher, ui::GestureEventHelper implementation:
 
 bool WindowEventDispatcher::CanDispatchToConsumer(
     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) {
   DispatchDetails details = OnEventFromSource(event);
   if (details.dispatcher_destroyed)
     return;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // WindowEventDispatcher, WindowObserver implementation:
 
 void WindowEventDispatcher::OnWindowDestroying(Window* window) {
@@ skipping 333 matching lines @@
       break;
 
     default:
       NOTREACHED();
       break;
   }
   PreDispatchLocatedEvent(target, event);
 }
 
 }  // namespace aura