Add profile selector menu to app list.

ui/app_list/app_list_model.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/app_list/app_list_model.h"
 
 #include "ui/app_list/app_list_item_model.h"
 #include "ui/app_list/app_list_model_observer.h"
 #include "ui/app_list/search_box_model.h"
 #include "ui/app_list/search_result.h"
+#include "ui/base/profile_selector/avatar_menu_item_model.h"
 
 namespace app_list {
 
 AppListModel::AppListModel()
     : apps_(new Apps),
       search_box_(new SearchBoxModel),
       results_(new SearchResults),
-      status_(STATUS_NORMAL) {
+      status_(STATUS_NORMAL),
+      signed_in_(false) {
 }
 
 AppListModel::~AppListModel() {
+  STLDeleteElements(&profile_menu_items_);
 }
 
 void AppListModel::AddObserver(AppListModelObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListModel::RemoveObserver(AppListModelObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void AppListModel::SetStatus(Status status) {
   if (status_ == status)
     return;
 
   status_ = status;
   FOR_EACH_OBSERVER(AppListModelObserver,
                     observers_,
                     OnAppListModelStatusChanged());
 }
 
+void AppListModel::SetCurrentUser(const base::string16& current_user_name,
+                                  const base::string16& current_user_email) {
+  current_user_name_ = current_user_name;
+  current_user_email_ = current_user_email;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelProfilesChanged());
+}
+
+void AppListModel::SetProfileMenuItems(
+    const ProfileMenuItems& profile_menu_items) {
+  STLDeleteElements(&profile_menu_items_);
+  profile_menu_items_ = profile_menu_items;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelProfilesChanged());
+}
+
+void AppListModel::SetSignedIn(bool signed_in) {
+  signed_in_ = signed_in;
+  FOR_EACH_OBSERVER(AppListModelObserver,
+                    observers_,
+                    OnAppListModelSigninStatusChanged());
+}
+
 }  // namespace app_list