mash: Partially migrate WorkspaceController to ash common.

ash/wm/window_animations.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_WINDOW_ANIMATIONS_H_
 #define ASH_WM_WINDOW_ANIMATIONS_H_
 
 #include <memory>
 
 #include "ash/ash_export.h"
 #include "ui/gfx/animation/tween.h"
-#include "ui/gfx/transform.h"
 #include "ui/wm/core/window_animations.h"
 
 namespace aura {
 class Window;
 }
 
 namespace ui {
-class Layer;
 class LayerTreeOwner;
 }
 
 // This is only for animations specific to Ash. For window animations shared
 // with desktop Chrome, see ui/views/corewm/window_animations.h.
 namespace ash {
 
-// Direction for ash-specific window animations used in workspaces and
-// lock/unlock animations.
-enum LayerScaleAnimationDirection {
-  LAYER_SCALE_ANIMATION_ABOVE,
-  LAYER_SCALE_ANIMATION_BELOW,
-};
-
 // Amount of time for the cross fade animation.
 extern const int kCrossFadeDurationMS;
 
 // Implementation of cross fading. Window is the window being cross faded. It
 // should be at the target bounds. |old_layer_owner| contains the previous layer
 // from |window|.  |tween_type| specifies the tween type of the cross fade
 // animation.
 ASH_EXPORT base::TimeDelta CrossFadeAnimation(
     aura::Window* window,
     std::unique_ptr<ui::LayerTreeOwner> old_layer_owner,
     gfx::Tween::Type tween_type);
 
 ASH_EXPORT bool AnimateOnChildWindowVisibilityChanged(aura::Window* window,
                                                       bool visible);
 
 // Creates vector of animation sequences that lasts for |duration| and changes
 // brightness and grayscale to |target_value|. Caller takes ownership of
 // returned LayerAnimationSequence objects.
 ASH_EXPORT std::vector<ui::LayerAnimationSequence*>
 CreateBrightnessGrayscaleAnimationSequence(float target_value,
                                            base::TimeDelta duration);
 
-// Applies scale related to the specified AshWindowScaleType.
-ASH_EXPORT void SetTransformForScaleAnimation(
-    ui::Layer* layer,
-    LayerScaleAnimationDirection type);
-
 // Returns the approximate bounds to which |window| will be animated when it
 // is minimized. The bounds are approximate because the minimize animation
 // involves rotation.
 ASH_EXPORT gfx::Rect GetMinimizeAnimationTargetBoundsInScreen(
     aura::Window* window);
 
 }  // namespace ash
 
 #endif  // ASH_WM_WINDOW_ANIMATIONS_H_