Added restore functionality for maximize full/left/right

ash/wm/workspace/frame_maximize_button.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_WORKSPACE_FRAME_MAXIMIZE_BUTTON_H_
 #define ASH_WM_WORKSPACE_FRAME_MAXIMIZE_BUTTON_H_
 
 #include "ash/ash_export.h"
+#include "ash/wm/workspace/maximize_bubble_frame_state.h"
 #include "ash/wm/workspace/snap_types.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer.h"
 #include "ui/aura/window_observer.h"
 #include "ui/views/controls/button/image_button.h"
 
 namespace views {
 class NonClientFrameView;
 }
 
@@ skipping 91 matching lines @@
   gfx::Rect ScreenBoundsForType(SnapType type,
                                 const internal::SnapSizer& snap_sizer) const;
 
   // Converts location to screen coordinates and returns it. These are the
   // coordinates used by the SnapSizer.
   gfx::Point LocationForSnapSizer(const gfx::Point& location) const;
 
   // Snaps the window to the current snap position.
   void Snap(const internal::SnapSizer& snap_sizer);
 
+  // Determine the maximize type of this window.
+  MaximizeBubbleFrameState GetMaximizeBubbleFrameState() const;
+
   // Frame that the maximize button acts on.
   views::NonClientFrameView* frame_;
 
   // Renders the snap position.
   scoped_ptr<internal::PhantomWindowController> phantom_window_;
 
   // Is snapping enabled? Set on press so that in drag we know whether we
   // should show the snap locations.
   bool is_snap_enabled_;
 
@@ skipping 19 matching lines @@
 
   // The delay of the bubble appearance.
   int bubble_appearance_delay_ms_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameMaximizeButton);
 };
 
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_FRAME_MAXIMIZE_BUTTON_H_