Move AppListModel::Users to AppListViewDelegate

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"
 
 namespace app_list {
 
-AppListModel::User::User() : active(false) {}
-
-AppListModel::User::~User() {}
-
 AppListModel::AppListModel()
     : item_list_(new AppListItemList),
       search_box_(new SearchBoxModel),
       results_(new SearchResults),
       signed_in_(false),
       status_(STATUS_NORMAL) {
 }
 
 AppListModel::~AppListModel() {
 }
 
 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::SetUsers(const Users& users) {
-  users_ = users;
-  FOR_EACH_OBSERVER(AppListModelObserver,
-                    observers_,
-                    OnAppListModelUsersChanged());
-}
-
 void AppListModel::SetSignedIn(bool signed_in) {
   if (signed_in_ == signed_in)
     return;
 
   signed_in_ = signed_in;
   FOR_EACH_OBSERVER(AppListModelObserver,
                     observers_,
                     OnAppListModelSigninStatusChanged());
 }
 
 }  // namespace app_list