x11: Move X event handling out of the message-pump.

ui/views/controls/menu/menu_message_pump_dispatcher_win.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.
 
-#ifndef UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_H_
-#define UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_H_
+#ifndef UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_WIN_H_
+#define UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_WIN_H_
 
 #include "base/macros.h"
 #include "base/message_loop/message_pump_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 MenuMessagePumpDispatcher : public base::MessagePumpDispatcher {
  public:
   explicit MenuMessagePumpDispatcher(MenuController* menu_controller);
   virtual ~MenuMessagePumpDispatcher();
 
  private:
   // base::MessagePumpDispatcher:
   virtual uint32_t Dispatch(const base::NativeEvent& event) OVERRIDE;
 
   MenuController* menu_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuMessagePumpDispatcher);
 };
 
 }  // namespace internal
 }  // namespace views
 
-#endif  // UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_H_
+#endif  // UI_VIEWS_CONTROLS_MENU_MENU_MESSAGE_PUMP_DISPATCHER_WIN_H_