Allow a Views client to provide a default frameview for window widgets.

chrome/browser/ui/views/menu_model_adapter_test.cc

 // Copyright (c) 2011 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 "base/callback.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/automation/ui_controls.h"
 #include "chrome/test/base/view_event_test_base.h"
 #include "ui/base/models/menu_model.h"
 #include "ui/views/controls/button/menu_button.h"
@@ skipping 49 matching lines @@
                                      int item_index,
                                      int item_count,
                                      bool has_submenu) OVERRIDE {
   }
 
 #if defined(OS_WIN)
   virtual HICON GetDefaultWindowIcon() const OVERRIDE {
     return NULL;
   }
 #endif
+  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
+      views::Widget* widget) OVERRIDE {
+    return NULL;
+  }
 
   virtual void AddRef() OVERRIDE {
   }
 
   virtual void ReleaseRef() OVERRIDE {
   }
 
   // Converts views::Event::flags to a WindowOpenDisposition.
   virtual int GetDispositionForEvent(int event_flags) OVERRIDE {
     return 0;
@@ skipping 280 matching lines @@
   TestViewsDelegate views_delegate_;
 
   views::MenuButton* button_;
   TopMenuModel top_menu_model_;
   views::MenuModelAdapter menu_model_adapter_;
   views::MenuItemView* menu_;
   scoped_ptr<views::MenuRunner> menu_runner_;
 };
 
 VIEW_TEST(MenuModelAdapterTest, RebuildMenu)