PlatformEventDispatcher::DispatchEvent() should return a PostDispatchAction

ui/views/controls/menu/menu_event_dispatcher_linux.h

 // 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 "base/macros.h"
 #include "ui/events/platform/platform_event_dispatcher.h"
 
 namespace views {
 
 class MenuController;
 
 namespace internal {
 
 // A message-pump dispatcher object used to dispatch events from the nested
 // message-loop initiated by the MenuController.
 class MenuEventDispatcher : public ui::PlatformEventDispatcher {
  public:
   explicit MenuEventDispatcher(MenuController* menu_controller);
   virtual ~MenuEventDispatcher();
 
  private:
   // ui::PlatformEventDispatcher:
   virtual bool CanDispatchEvent(const ui::PlatformEvent& event) override;
-  virtual uint32_t DispatchEvent(const ui::PlatformEvent& event) override;
+  virtual ui::PostDispatchAction DispatchEvent(
+      const ui::PlatformEvent& event) override;
 
   MenuController* menu_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuEventDispatcher);
 };
 
 }  // namespace internal
 }  // namespace views