Fix a menu crash....

views/controls/menu/native_menu_win.cc

 // Copyright (c) 2009 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 "views/controls/menu/native_menu_win.h"
 
 #include "app/gfx/canvas.h"
 #include "app/gfx/font.h"
 #include "app/l10n_util.h"
 #include "app/l10n_util_win.h"
@@ skipping 40 matching lines @@
 class NativeMenuWin::MenuHostWindow {
  public:
   MenuHostWindow() {
     RegisterClass();
     hwnd_ = CreateWindowEx(l10n_util::GetExtendedStyles(), kWindowClassName,
                            L"", 0, 0, 0, 0, 0, HWND_MESSAGE, NULL, NULL, NULL);
     SetProp(hwnd_, kMenuHostWindowKey, this);
   }
 
   ~MenuHostWindow() {
+    RemoveProp(hwnd_, kMenuHostWindowKey);
     DestroyWindow(hwnd_);
   }
 
   HWND hwnd() const { return hwnd_; }
 
  private:
   static const wchar_t* kMenuHostWindowKey;
   static const wchar_t* kWindowClassName;
 
   void RegisterClass() {
@@ skipping 460 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // MenuWrapper, public:
 
 // static
 MenuWrapper* MenuWrapper::CreateWrapper(Menu2* menu) {
   return new NativeMenuWin(menu->model(), NULL);
 }
 
 }  // namespace views