Cleanup MenuRunner API

ui/views/controls/menu/menu_runner_impl_adapter.cc

 // Copyright 2014 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_impl_adapter.h"
 
 #include "ui/views/controls/menu/menu_model_adapter.h"
 #include "ui/views/controls/menu/menu_runner_impl.h"
 
 namespace views {
 namespace internal {
 
 MenuRunnerImplAdapter::MenuRunnerImplAdapter(
     ui::MenuModel* menu_model,
     const base::Closure& on_menu_done_callback)
     : menu_model_adapter_(
           new MenuModelAdapter(menu_model, on_menu_done_callback)),
       impl_(new MenuRunnerImpl(menu_model_adapter_->CreateMenu())) {}
 
 bool MenuRunnerImplAdapter::IsRunning() const {
   return impl_->IsRunning();
 }
 
 void MenuRunnerImplAdapter::Release() {
   impl_->Release();
   delete this;
 }
 
-MenuRunner::RunResult MenuRunnerImplAdapter::RunMenuAt(
-    Widget* parent,
-    MenuButton* button,
-    const gfx::Rect& bounds,
-    MenuAnchorPosition anchor,
-    int32_t types) {
-  return impl_->RunMenuAt(parent, button, bounds, anchor, types);
+void MenuRunnerImplAdapter::RunMenuAt(Widget* parent,
+                                      MenuButton* button,
+                                      const gfx::Rect& bounds,
+                                      MenuAnchorPosition anchor,
+                                      int32_t types) {
+  impl_->RunMenuAt(parent, button, bounds, anchor, types);
 }
 
 void MenuRunnerImplAdapter::Cancel() {
   impl_->Cancel();
 }
 
 base::TimeTicks MenuRunnerImplAdapter::GetClosingEventTime() const {
   return impl_->GetClosingEventTime();
 }
 
 MenuRunnerImplAdapter::~MenuRunnerImplAdapter() {
 }
 
 }  // namespace internal
 }  // namespace views