ash: Get output info from chromeos instead of XRandR.

ash/display/display_change_observer_x11.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 ASH_DISPLAY_DISPLAY_CHANGE_OBSERVER_X11_H
-#define ASH_DISPLAY_DISPLAY_CHANGE_OBSERVER_X11_H
-
-#include <X11/Xlib.h>
-
-// Xlib.h defines RootWindow.
-#undef RootWindow
-
-#include "ash/ash_export.h"
-#include "ash/shell_observer.h"
-#include "base/basictypes.h"
-#include "chromeos/display/output_configurator.h"
-
-namespace ash {
-namespace internal {
-
-// An object that observes changes in display configuration and
-// update DisplayManagers.
-class DisplayChangeObserverX11
-    : public chromeos::OutputConfigurator::StateController,
-      public chromeos::OutputConfigurator::Observer,
-      public ShellObserver {
- public:
-  DisplayChangeObserverX11();
-  virtual ~DisplayChangeObserverX11();
-
-  // chromeos::OutputConfigurator::StateController overrides:
-  virtual chromeos::OutputState GetStateForDisplayIds(
-      const std::vector<int64>& outputs) const OVERRIDE;
-  virtual bool GetResolutionForDisplayId(int64 display_id,
-                                         int* width,
-                                         int* height) const OVERRIDE;
-
-  // Overriden from chromeos::OutputConfigurator::Observer:
-  virtual void OnDisplayModeChanged(
-      const std::vector<chromeos::OutputConfigurator::OutputSnapshot>& outputs)
-      OVERRIDE;
-
-  // Overriden from ShellObserver:
-  virtual void OnAppTerminating() OVERRIDE;
-
- private:
-  Display* xdisplay_;
-
-  ::Window x_root_window_;
-
-  int xrandr_event_base_;
-
-  DISALLOW_COPY_AND_ASSIGN(DisplayChangeObserverX11);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_DISPLAY_AURA_DISPLAY_CHANGE_OBSERVER_X11_H