Support prefix typing in Combobox while menu is open

ui/views/controls/menu/menu_runner.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/menu/menu_runner.h"
 
 #include <set>
 
 #include "base/memory/weak_ptr.h"
 #include "ui/base/models/menu_model.h"
@@ skipping 168 matching lines @@
   for_drop_ = (types & MenuRunner::FOR_DROP) != 0;
   bool has_mnemonics = (types & MenuRunner::HAS_MNEMONICS) != 0 && !for_drop_;
   owns_controller_ = false;
   if (!controller) {
     // No menus are showing, show one.
     ui::NativeTheme* theme = parent ? parent->GetNativeTheme() :
         ui::NativeTheme::instance();
     controller = new MenuController(theme, !for_drop_, this);
     owns_controller_ = true;
   }
-  controller->set_accept_on_f4((types & MenuRunner::COMBOBOX) != 0);
+  controller->set_is_combobox((types & MenuRunner::COMBOBOX) != 0);
   controller_ = controller;
   menu_->set_controller(controller_);
   menu_->PrepareForRun(owns_controller_,
                        has_mnemonics,
                        !for_drop_ && ShouldShowMnemonics(button));
 
   // Run the loop.
   int mouse_event_flags = 0;
   MenuItemView* result = controller->Run(parent, button, menu_, bounds, anchor,
                                         (types & MenuRunner::CONTEXT_MENU) != 0,
@@ skipping 156 matching lines @@
 base::TimeDelta MenuRunner::closing_event_time() const {
   return holder_->closing_event_time();
 }
 
 void MenuRunner::SetRunnerHandler(
     scoped_ptr<MenuRunnerHandler> runner_handler) {
   runner_handler_ = runner_handler.Pass();
 }
 
 }  // namespace views