Add ContextMenuSourceType to views::ContextMenuController::ShowContextMenuForView.

ui/views/controls/combobox/native_combobox_views.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 "ui/views/controls/combobox/native_combobox_views.h"
 
 #include <algorithm>
 
 #include "grit/ui_resources.h"
 #include "ui/base/events/event.h"
@@ skipping 379 matching lines @@
 
   View::ConvertPointToScreen(this, &menu_position);
   if (menu_position.x() < 0)
       menu_position.set_x(0);
 
   gfx::Rect bounds(menu_position, lb.size());
 
   dropdown_open_ = true;
   if (dropdown_list_menu_runner_->RunMenuAt(
           GetWidget(), NULL, bounds, MenuItemView::TOPLEFT,
-          MenuRunner::HAS_MNEMONICS) == MenuRunner::MENU_DELETED)
+          ui::MENU_SOURCE_NONE, MenuRunner::HAS_MNEMONICS) ==
+      MenuRunner::MENU_DELETED)
     return;
   dropdown_open_ = false;
 
   // Need to explicitly clear mouse handler so that events get sent
   // properly after the menu finishes running. If we don't do this, then
   // the first click to other parts of the UI is eaten.
   SetMouseHandler(NULL);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeComboboxWrapper, public:
 
 #if defined(USE_AURA)
 // static
 NativeComboboxWrapper* NativeComboboxWrapper::CreateWrapper(
     Combobox* combobox) {
   return new NativeComboboxViews(combobox);
 }
 #endif
 
 }  // namespace views