ash: Improved window maximize/restore animations

ash/wm/base_layout_manager.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_BASE_LAYOUT_MANAGER_H_
 #define ASH_WM_BASE_LAYOUT_MANAGER_H_
 #pragma once
 
 #include <set>
 
@@ skipping 54 matching lines @@
                                        intptr_t old) OVERRIDE;
   virtual void OnWindowDestroying(aura::Window* window) OVERRIDE;
 
  protected:
   // Invoked from OnWindowPropertyChanged() if |kShowStateKey| changes.
   virtual void ShowStateChanged(aura::Window* window,
                                 ui::WindowShowState last_show_state);
 
  private:
   // Update window bounds based on a change in show state.
-  void UpdateBoundsFromShowState(aura::Window* window);
+  void UpdateBoundsFromShowState(aura::Window* window, bool animate);
+
+  // Updates window bounds and animates when requested and possible.
+  void MaybeAnimateToBounds(aura::Window* window,
+                            bool animate,
+                            const gfx::Rect& new_bounds);
 
   // Adjusts the window sizes when the screen changes its size or its
   // work area insets.
   void AdjustWindowSizesForScreenChange();
 
   // Set of windows we're listening to.
   WindowSet windows_;
 
   aura::RootWindow* root_window_;
 
   DISALLOW_COPY_AND_ASSIGN(BaseLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_BASE_LAYOUT_MANAGER_H_