Fixing drag out of maximize dialog button problem

ash/wm/workspace/frame_maximize_button.cc

 // 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.
 
 #include "ash/wm/workspace/frame_maximize_button.h"
 
 #include "ash/launcher/launcher.h"
 #include "ash/screen_ash.h"
 #include "ash/shell.h"
 #include "ash/wm/property_util.h"
@@ skipping 147 matching lines @@
   // Tell our menu to close.
   maximizer_.reset();
   snap_type_ = snap_type;
   // Since Snap might destroy |this|, but the snap_sizer needs to be destroyed,
   // The ownership of the snap_sizer is taken now.
   scoped_ptr<SnapSizer> snap_sizer(snap_sizer_.release());
   Snap(*snap_sizer.get());
 }
 
 void FrameMaximizeButton::DestroyMaximizeMenu() {
-  maximizer_.reset();
+  Cancel(false);
 }
 
 void FrameMaximizeButton::OnWindowBoundsChanged(
     aura::Window* window,
     const gfx::Rect& old_bounds,
     const gfx::Rect& new_bounds) {
   Cancel(false);
 }
 
 void FrameMaximizeButton::OnWindowDestroying(aura::Window* window) {
@@ skipping 311 matching lines @@
       break;
     case SNAP_RESTORE:
       frame_->GetWidget()->Restore();
       break;
     case SNAP_NONE:
       NOTREACHED();
   }
 }
 
 }  // namespace ash