ash: Fix blank window when maximizing an app

ui/views/window/non_client_view.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 UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_
 #define UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_
 
 #include "ui/views/view.h"
 #include "ui/views/window/client_view.h"
 
@@ skipping 132 matching lines @@
   // Replaces the current NonClientFrameView (if any) with the specified one.
   void SetFrameView(NonClientFrameView* frame_view);
 
   // Returns true if the ClientView determines that the containing window can be
   // closed, false otherwise.
   bool CanClose();
 
   // Called by the containing Window when it is closed.
   void WindowClosing();
 
-  // Changes the frame from native to custom depending on the value of
-  // |use_native_frame|.
-  void UpdateFrame();
+  // Replaces the frame view with a new one. Used when switching window theme
+  // or frame style. Pass true for |layout| to refresh the window layout (the
+  // common case) or false if you will trigger layout yourself.
+  void UpdateFrame(bool layout);
 
   // Prevents the window from being rendered as deactivated when |disable| is
   // true, until called with |disable| false. Used when a sub-window is to be
   // shown that shouldn't visually de-activate the window.
   // Subclasses can override this to perform additional actions when this value
   // changes.
   void SetInactiveRenderingDisabled(bool disable);
 
   // Returns the bounds of the window required to display the content area at
   // the specified bounds.
@@ skipping 60 matching lines @@
 
   // The accessible name of this view.
   string16 accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(NonClientView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WINDOW_NON_CLIENT_VIEW_H_