Rename gfx::Monitor to gfx::Display

ui/aura/monitor_observer.h

-// Copyright (c) 2012 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_AURA_MONITOR_OBSERVER_H_
-#define UI_AURA_MONITOR_OBSERVER_H_
-#pragma once
-
-#include "ui/aura/aura_export.h"
-
-namespace gfx {
-class Monitor;
-}
-
-namespace aura {
-
-// Observers for monitor configuration changes.
-class AURA_EXPORT MonitorObserver {
- public:
-  // Called when the |monitor|'s bound has changed.
-  virtual void OnMonitorBoundsChanged(const gfx::Monitor& monitor) = 0;
-
-  // Called when |new_monitor| has been added.
-  virtual void OnMonitorAdded(const gfx::Monitor& new_monitor) = 0;
-
-  // Called when |old_monitor| has been removed.
-  virtual void OnMonitorRemoved(const gfx::Monitor& old_monitor) = 0;
-
- protected:
-  virtual ~MonitorObserver();
-};
-
-}  // namespace aura
-
-#endif  // UI_AURA_MONITOR_OBSERVER_H_