Replace ShelfItemDelegate::GetTitle() with ShelfItem::title.

chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.cc

 // Copyright 2016 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 "chrome/browser/ui/ash/launcher/arc_app_deferred_launcher_item_controller.h"
 
 #include <memory>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 19 matching lines @@
 
 base::TimeDelta ArcAppDeferredLauncherItemController::GetActiveTime() const {
   return base::Time::Now() - start_time_;
 }
 
 ash::ShelfItemDelegate::PerformedAction
 ArcAppDeferredLauncherItemController::ItemSelected(const ui::Event& event) {
   return ash::ShelfItemDelegate::kNoAction;
 }
 
-base::string16 ArcAppDeferredLauncherItemController::GetTitle() {
-  ArcAppListPrefs* arc_prefs =
-      ArcAppListPrefs::Get(launcher_controller()->profile());
-  DCHECK(arc_prefs);
-  std::unique_ptr<ArcAppListPrefs::AppInfo> app_info = arc_prefs->GetApp(
-      ArcAppWindowLauncherController::GetArcAppIdFromShelfAppId(app_id()));
-  if (!app_info) {
-    NOTREACHED();
-    return base::string16();
-  }
-
-  return base::UTF8ToUTF16(app_info->name);
-}
-
 ash::ShelfMenuModel*
 ArcAppDeferredLauncherItemController::CreateApplicationMenu(int event_flags) {
   return nullptr;
 }
 
 void ArcAppDeferredLauncherItemController::Close() {
   if (host_)
     host_->Close(app_id());
 }
 
 bool ArcAppDeferredLauncherItemController::IsVisible() const {
   return true;
 }
 
 void ArcAppDeferredLauncherItemController::Launch(ash::LaunchSource source,
                                                   int event_flags) {}
 
 ash::ShelfItemDelegate::PerformedAction
 ArcAppDeferredLauncherItemController::Activate(ash::LaunchSource source) {
   return ash::ShelfItemDelegate::kNoAction;
 }
 
 ChromeLauncherAppMenuItems
 ArcAppDeferredLauncherItemController::GetApplicationList(int event_flags) {
   return ChromeLauncherAppMenuItems();
 }