Add profile selector menu to app list.

ui/app_list/app_list_menu.cc

 // Copyright 2013 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/app_list/app_list_menu.h"
 
 #include "grit/ui_strings.h"
 #include "ui/app_list/app_list_view_delegate.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/menu_separator_types.h"
+#include "ui/base/profile_selector/avatar_menu_item_model.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace app_list {
 
-AppListMenu::AppListMenu(AppListViewDelegate* delegate)
-    : menu_model_(this),
-      delegate_(delegate) {
+AppListMenu::AppListMenu(
+    AppListViewDelegate* delegate,
+    const app_list::AppListModel::ProfileMenuItems& profile_menu_items)
+        : menu_model_(this),
+          profiles_model_(this),
+          delegate_(delegate),
+          profile_menu_items_(profile_menu_items) {
   InitMenu();
 }
 
 AppListMenu::~AppListMenu() {}
 
 void AppListMenu::InitMenu() {
-  menu_model_.AddItem(CURRENT_USER, base::string16());
+  // Don't show the profile selector submenu if there is only one profile.
+  if (profile_menu_items_.size() == 1) {
+    menu_model_.AddItem(CURRENT_USER, base::string16());
+  } else {
+    for (size_t i = 0; i < profile_menu_items_.size(); ++i) {
+      profiles_model_.AddItem(SELECT_PROFILE + i, profile_menu_items_[i]->name);
+    }
+    menu_model_.AddSubMenu(CURRENT_USER, base::string16(), &profiles_model_);
+  }
   menu_model_.AddSeparator(ui::NORMAL_SEPARATOR);
 
   menu_model_.AddItem(SHOW_SETTINGS, l10n_util::GetStringUTF16(
       IDS_APP_LIST_OPEN_SETTINGS));
 
   menu_model_.AddItem(SHOW_HELP, l10n_util::GetStringUTF16(
       IDS_APP_LIST_HELP));
 
   menu_model_.AddItem(SHOW_FEEDBACK, l10n_util::GetStringUTF16(
       IDS_APP_LIST_OPEN_FEEDBACK));
 }
 
 bool AppListMenu::IsCommandIdChecked(int command_id) const {
   return false;
 }
 
 bool AppListMenu::IsCommandIdEnabled(int command_id) const {
   return true;
 }
 
 bool AppListMenu::GetAcceleratorForCommandId(int command_id,
                                              ui::Accelerator* accelerator) {
   return false;
 }
 
 void AppListMenu::ExecuteCommand(int command_id, int event_flags) {
+  if (command_id >= SELECT_PROFILE) {
+    delegate_->ShowForProfileByPath(
+        profile_menu_items_[command_id - SELECT_PROFILE]->profile_path);
+    return;
+  }
   switch (command_id) {
     case CURRENT_USER:
       break;  // Do nothing.
     case SHOW_SETTINGS:
       delegate_->OpenSettings();
       break;
     case SHOW_HELP:
       delegate_->OpenHelp();
       break;
     case SHOW_FEEDBACK:
       delegate_->OpenFeedback();
       break;
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace app_list