Elim ActivateAppListItem, ChromeAppListItem

ui/app_list/app_list_item_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_item_model.h"
 
 #include "base/logging.h"
 #include "ui/app_list/app_list_item_model_observer.h"
 
 namespace app_list {
@@ skipping 54 matching lines @@
 }
 
 void AppListItemModel::AddObserver(AppListItemModelObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void AppListItemModel::RemoveObserver(AppListItemModelObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
+std::string AppListItemModel::AppType() const {
+  return "";
+}
+
+void AppListItemModel::Activate(int event_flags) {
+}
+
+void AppListItemModel::Update() {
+}
+
 ui::MenuModel* AppListItemModel::GetContextMenuModel() {
   return NULL;
 }
 
 }  // namespace app_list