ozone: Remove the libevent message-pump.

base/message_loop/message_pump_ozone.h

-// Copyright (c) 2013 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 BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_
-#define BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_
-
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/scoped_vector.h"
-#include "base/message_loop/message_pump_dispatcher.h"
-#include "base/message_loop/message_pump_libevent.h"
-#include "base/message_loop/message_pump_observer.h"
-#include "base/observer_list.h"
-
-namespace base {
-
-// This class implements a message-pump for processing events from input devices
-// Refer to MessagePump for further documentation.
-class BASE_EXPORT MessagePumpOzone : public MessagePumpLibevent,
-                                     public MessagePumpDispatcher {
- public:
-  MessagePumpOzone();
-  virtual ~MessagePumpOzone();
-
-  // Returns the UI message pump.
-  static MessagePumpOzone* Current();
-
-  // Add/Remove the root window dispatcher.
-  void AddDispatcherForRootWindow(MessagePumpDispatcher* dispatcher);
-  void RemoveDispatcherForRootWindow(MessagePumpDispatcher* dispatcher);
-
-  void RunWithDispatcher(Delegate* delegate, MessagePumpDispatcher* dispatcher);
-
-  // Add / remove an Observer, which will start receiving notifications
-  // immediately.
-  void AddObserver(MessagePumpObserver* observer);
-  void RemoveObserver(MessagePumpObserver* observer);
-
-  // Overridden from MessagePumpDispatcher.
-  virtual uint32_t Dispatch(const NativeEvent& event) OVERRIDE;
-
- private:
-  std::vector<MessagePumpDispatcher*> dispatcher_;
-
-  DISALLOW_COPY_AND_ASSIGN(MessagePumpOzone);
-};
-
-typedef MessagePumpOzone MessagePumpForUI;
-
-}  // namespace base
-
-#endif  // BASE_MESSAGE_LOOP_MESSAGE_PUMP_OZONE_H_