Add support for a context menu on the browser shortcut icon

ash/shell/launcher_delegate_impl.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 "ash/shell/launcher_delegate_impl.h"
 
 #include "ash/launcher/launcher_context_menu.h"
 #include "ash/shell/toplevel_window.h"
 #include "ash/shell/window_watcher.h"
 #include "ash/wm/window_util.h"
@@ skipping 15 matching lines @@
   CreateNewWindow();
 }
 
 void LauncherDelegateImpl::CreateNewWindow() {
   ash::shell::ToplevelWindow::CreateParams create_params;
   create_params.can_resize = true;
   create_params.can_maximize = true;
   ash::shell::ToplevelWindow::CreateToplevelWindow(create_params);
 }
 
+void LauncherDelegateImpl::CreateNewIncognitoWindow() {
+  CreateNewWindow();
+}
+
 void LauncherDelegateImpl::ItemClicked(const ash::LauncherItem& item) {
   aura::Window* window = watcher_->GetWindowByID(item.id);
   window->Show();
   ash::wm::ActivateWindow(window);
 }
 
 int LauncherDelegateImpl::GetBrowserShortcutResourceId() {
   return IDR_AURA_LAUNCHER_BROWSER_SHORTCUT;
 }
 
 string16 LauncherDelegateImpl::GetTitle(const ash::LauncherItem& item) {
   return watcher_->GetWindowByID(item.id)->title();
 }
 
 ui::MenuModel* LauncherDelegateImpl::CreateContextMenu(
     const ash::LauncherItem& item) {
   return NULL;
 }
 
 ui::MenuModel* LauncherDelegateImpl::CreateContextMenuForLauncher() {
   return new LauncherContextMenu;
 }
 
 ash::LauncherID LauncherDelegateImpl::GetIDByWindow(aura::Window* window) {
   return watcher_->GetIDByWindow(window);
 }
 
+bool LauncherDelegateImpl::IsLoggedInAsGuest() {
+  return false;
+}
+
 }  // namespace shell
 }  // namespace ash