Added restore functionality for maximize full/left/right

chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.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 CHROME_BROWSER_UI_VIEWS_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/search/search_types.h"
 #include "chrome/browser/ui/search/toolbar_search_animator_observer.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "chrome/browser/ui/views/tab_icon_view_model.h"
 #include "ui/views/controls/button/button.h"  // ButtonListener
 
 class TabIconView;
 
 namespace ash {
 class FramePainter;
+class FrameMaximizeButton;
 }
 namespace views {
 class ImageButton;
 }
 
 class BrowserNonClientFrameViewAsh
     : public BrowserNonClientFrameView,
       public views::ButtonListener,
       public chrome::TabIconViewModel,
       public chrome::search::ToolbarSearchAnimatorObserver {
@@ skipping 65 matching lines @@
 
   // Returns the correct image id for the frame header based on activation
   // state and incognito mode.
   int GetThemeFrameImageId() const;
   const gfx::ImageSkia* GetThemeFrameOverlayImage() const;
 
   // Window controls. The |size_button_| either toggles maximized or toggles
   // minimized. The exact behavior is determined by |size_button_minimizes_|.
   views::ImageButton* size_button_;
   views::ImageButton* close_button_;
+  // If NULL the |size_button_| minimizes, otherwise this button should be
+  // used for state toggling.
+  ash::FrameMaximizeButton* maximize_button_;
 
   // For popups, the window icon.
   TabIconView* window_icon_;
 
   // Painter for the frame header.
   scoped_ptr<ash::FramePainter> frame_painter_;
 
-  // If true the |size_button_| minimizes, otherwise it toggles between
-  // maximized and restored.
-  bool size_button_minimizes_;
-
   DISALLOW_COPY_AND_ASSIGN(BrowserNonClientFrameViewAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_ASH_BROWSER_NON_CLIENT_FRAME_VIEW_ASH_H_