Changes launcher so that when animating hidden the background doesn't

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 "ash/ash_export.h"
 
 namespace aura {
@@ skipping 84 matching lines @@
 enum WorkspaceAnimationDirection {
   WORKSPACE_ANIMATE_UP,
   WORKSPACE_ANIMATE_DOWN,
 };
 
 enum WorkspaceType {
   WORKSPACE_MAXIMIZED,
   WORKSPACE_DESKTOP,
 };
 
+// Amount of time for the workspace switch animation.
+extern const int kWorkspaceSwitchTimeMS;
+
 // Animates between two workspaces. If |animate_old| is false |old_window| is
 // not animated, otherwise it is. |is_restoring_maximized_window| is true if
 // the switch is the result of a minmized window being restored.
 ASH_EXPORT void AnimateBetweenWorkspaces(aura::Window* old_window,
                                          WorkspaceType old_type,
                                          bool animate_old,
                                          aura::Window* new_window,
                                          WorkspaceType new_type,
                                          bool is_restoring_maximized_window);
 
@@ skipping 19 matching lines @@
 
 // Returns false if the |window| didn't animate.
 ASH_EXPORT bool AnimateOnChildWindowVisibilityChanged(
     aura::Window* window, bool visible);
 
 }  // namespace internal
 }  // namespace ash
 
 
 #endif  // ASH_WM_WINDOW_ANIMATIONS_H_