Fixes crash in closing menus. There are two issues here:

ui/views/widget/native_widget_win.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_WIDGET_NATIVE_WIDGET_WIN_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 502 matching lines @@
                                       WPARAM w_param,
                                       LPARAM l_param);
 
   // Stops ignoring SetWindowPos() requests (see below).
   void StopIgnoringPosChanges() { ignore_window_pos_changes_ = false; }
 
   void RestoreEnabledIfNecessary();
 
   void SetInitialFocus();
 
+  // Notifies any owned windows that we're closing.
+  void NotifyOwnedWindowsParentClosing();
+
   // Overridden from internal::InputMethodDelegate
   virtual void DispatchKeyEventPostIME(const KeyEvent& key) OVERRIDE;
 
   // A delegate implementation that handles events received here.
   // See class documentation for Widget in widget.h for a note about ownership.
   internal::NativeWidgetDelegate* delegate_;
 
   // The following factory is used for calls to close the NativeWidgetWin
   // instance.
   base::WeakPtrFactory<NativeWidgetWin> close_widget_factory_;
@@ skipping 118 matching lines @@
   bool has_non_client_view_;
 
   bool remove_standard_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_