Not set the title of ARC apps from launcher

chrome/browser/ui/ash/launcher/arc_app_window_launcher_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_window_launcher_controller.h"
 
 #include "ash/common/wm/window_state.h"
 #include "ash/shelf/shelf_delegate.h"
 #include "ash/shelf/shelf_util.h"
 #include "ash/wm/window_state_aura.h"
 #include "ash/wm/window_util.h"
@@ skipping 270 matching lines @@
 
   int task_id = -1;
   if (sscanf(app_id.c_str(), "org.chromium.arc.%d", &task_id) != 1)
     return;
 
   if (task_id) {
     AppWindow* app_window = GetAppWindowForTask(task_id);
     if (app_window) {
       app_window->set_widget(views::Widget::GetWidgetForNativeWindow(window));
       ash::SetShelfIDForWindow(app_window->shelf_id(), window);
-      if (app_window->controller())
-        window->SetTitle(app_window->controller()->GetTitle());
       chrome::MultiUserWindowManager::GetInstance()->SetWindowOwner(
           window,
           user_manager::UserManager::Get()->GetPrimaryUser()->GetAccountId());
     }
   }
 }
 
 void ArcAppWindowLauncherController::OnAppReadyChanged(
     const std::string& app_id,
     bool ready) {
@@ skipping 167 matching lines @@
 
   ArcAppWindowLauncherItemController* controller = it->second;
   controller->RemoveWindow(app_window);
   if (!controller->window_count()) {
     ash::ShelfID shelf_id = app_window->shelf_id();
     owner()->CloseLauncherItem(shelf_id);
     app_controller_map_.erase(it);
   }
   app_window->ResetController();
 }