Remove unused ColoredWindowController/DesktopBackgroundFadeController

ash/wm/session_state_animator.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_WM_SESSION_STATE_ANIMATOR_H_
 #define ASH_WM_SESSION_STATE_ANIMATOR_H_
 
 #include "ash/ash_export.h"
-#include "ash/wm/workspace/colored_window_controller.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer_animation_observer.h"
 
 namespace gfx {
 class Rect;
 class Size;
 }
@@ skipping 113 matching lines @@
   SessionStateAnimator();
   virtual ~SessionStateAnimator();
 
   // Reports animation duration for |speed|.
   static base::TimeDelta GetDuration(AnimationSpeed speed);
 
   // Fills |containers| with the containers included in |container_mask|.
   static void GetContainers(int container_mask,
                             aura::Window::Windows* containers);
 
-  // Create |foreground_| layer if it doesn't already exist, but makes it
-  // completely transparent.
-  void CreateForeground();
-  // Destroy |foreground_| when it is not needed anymore.
-  void DropForeground();
-
   // Apply animation |type| to all containers included in |container_mask| with
   // specified |speed|.
   void StartAnimation(int container_mask,
                       AnimationType type,
                       AnimationSpeed speed);
 
   // Apply animation |type| to all containers included in |container_mask| with
   // specified |speed| and call a |callback| at the end of the animation, if it
   // is not null.
   void StartAnimationWithCallback(int container_mask,
@@ skipping 12 matching lines @@
   void StartGlobalAnimation(AnimationType type,
                             AnimationSpeed speed);
 
   // Apply animation |type| to window |window| with |speed| and add |observer|
   // if it is not NULL to the last animation sequence.
   void RunAnimationForWindow(aura::Window* window,
                              AnimationType type,
                              AnimationSpeed speed,
                              ui::LayerAnimationObserver* observer);
 
-  // White foreground that is used during shutdown animation to "fade
-  // everything into white".
-  scoped_ptr<ColoredWindowController> foreground_;
-
   DISALLOW_COPY_AND_ASSIGN(SessionStateAnimator);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_SESSION_STATE_ANIMATOR_H_