Added restore functionality for maximize full/left/right

chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h

Index: chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h
diff --git a/chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h b/chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h
index 90b3ef6feb7e4f27d4a9830b3dd59f7c695acaf3..fa591255e5533fa0a3b4f97d7f04c0d29b4e5c2e 100644
--- a/chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h
+++ b/chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h
@@ -17,6 +17,7 @@ class TabIconView;
 
 namespace ash {
 class FramePainter;
+class FrameMaximizeButton;
 }
 namespace views {
 class ImageButton;
@@ -102,6 +103,9 @@ class BrowserNonClientFrameViewAsh
   // 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_;
@@ -109,10 +113,6 @@ class BrowserNonClientFrameViewAsh
   // 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);
 };