Refactors building the system menu model into a common place

chrome/browser/ui/views/frame/desktop_browser_frame_aura.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 "chrome/browser/ui/views/frame/desktop_browser_frame_aura.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/views/frame/browser_desktop_root_window_host.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
-#include "chrome/browser/ui/views/frame/system_menu_model_delegate.h"
 #include "grit/chromium_strings.h"
 #include "grit/generated_resources.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_observer.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/simple_menu_model.h"
 #include "ui/gfx/font.h"
-#include "ui/views/controls/menu/menu_model_adapter.h"
-#include "ui/views/controls/menu/menu_runner.h"
 #include "ui/views/corewm/visibility_controller.h"
 #include "ui/views/view.h"
 
 using aura::Window;
 
 ///////////////////////////////////////////////////////////////////////////////
 // DesktopBrowserFrameAura, public:
 
 DesktopBrowserFrameAura::DesktopBrowserFrameAura(
     BrowserFrame* browser_frame,
@@ skipping 38 matching lines @@
 // DesktopBrowserFrameAura, NativeBrowserFrame implementation:
 
 views::NativeWidget* DesktopBrowserFrameAura::AsNativeWidget() {
   return this;
 }
 
 const views::NativeWidget* DesktopBrowserFrameAura::AsNativeWidget() const {
   return this;
 }
 
-void DesktopBrowserFrameAura::InitSystemContextMenu() {
+bool DesktopBrowserFrameAura::UsesNativeSystemMenu() const {
+  return browser_desktop_root_window_host_->UsesNativeSystemMenu();
 }
 
 int DesktopBrowserFrameAura::GetMinimizeButtonOffset() const {
   return browser_desktop_root_window_host_->GetMinimizeButtonOffset();
 }
 
 void DesktopBrowserFrameAura::TabStripDisplayModeChanged() {
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // DesktopBrowserFrameAura, private:
 
 DesktopBrowserFrameAura::~DesktopBrowserFrameAura() {
 }