Add Fade-out/Fade-in animation during output-configuration change.

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <utility>
 #include <vector>
 
@@ skipping 67 matching lines @@
 class AcceleratorFilter;
 class ActivationController;
 class AppListController;
 class CaptureController;
 class DisplayController;
 class DragDropController;
 class EventRewriterEventFilter;
 class FocusCycler;
 class MagnificationController;
 class MouseCursorEventFilter;
+class OutputConfiguratorAnimation;
 class OverlayEventFilter;
 class PanelLayoutManager;
 class ResizeShadowController;
 class RootWindowController;
 class RootWindowLayoutManager;
 class ScreenPositionController;
 class ShadowController;
 class ShelfLayoutManager;
 class ShellContextMenu;
 class SlowAnimationEventFilter;
@@ skipping 253 matching lines @@
     browser_context_ = browser_context;
   }
 
   // Initializes the root window to be used for a secondary display.
   void InitRootWindowForSecondaryDisplay(aura::RootWindow* root);
 
 #if defined(OS_CHROMEOS)
   chromeos::OutputConfigurator* output_configurator() {
     return output_configurator_.get();
   }
+  internal::OutputConfiguratorAnimation* output_configurator_animation() {
+    return output_configurator_animation_.get();
+  }
 #endif  // defined(OS_CHROMEOS)
 
  private:
   FRIEND_TEST_ALL_PREFIXES(ExtendedDesktopTest, TestCursor);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, MouseEventCursors);
   FRIEND_TEST_ALL_PREFIXES(WindowManagerTest, TransformActivate);
   friend class internal::RootWindowController;
 
   typedef std::pair<aura::Window*, gfx::Rect> WindowAndBoundsPair;
 
@@ skipping 89 matching lines @@
   // An event filter that pre-handles all key events to send them to an IME.
   scoped_ptr<aura::shared::InputMethodEventFilter> input_method_filter_;
 
   // An event filter that silently keeps track of all touch events and controls
   // a heads-up display. This is enabled only if --ash-touch-hud flag is used.
   scoped_ptr<internal::TouchObserverHUD> touch_observer_hud_;
 
 #if defined(OS_CHROMEOS)
   // Controls video output device state.
   scoped_ptr<chromeos::OutputConfigurator> output_configurator_;
+  scoped_ptr<internal::OutputConfiguratorAnimation>
+      output_configurator_animation_;
 #endif  // defined(OS_CHROMEOS)
 
   CursorManager cursor_manager_;
 
   // The shelf for managing the launcher and the status widget in non-compact
   // mode. Shell does not own the shelf. Instead, it is owned by container of
   // the status area.
   internal::ShelfLayoutManager* shelf_;
 
   // Manages layout of panels. Owned by PanelContainer.
   internal::PanelLayoutManager* panel_layout_manager_;
 
   ObserverList<ShellObserver> observers_;
 
   // Widget containing system tray.
   internal::StatusAreaWidget* status_area_widget_;
 
   // Used by ash/shell.
   content::BrowserContext* browser_context_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_