Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/ash/launcher/arc_app_window_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_window_launcher_item_controller.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/app_list/arc/arc_app_list_prefs.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_app_menu_item_v2app.h"
 #include "chrome/browser/ui/ash/launcher/chrome_launcher_controller.h"
 
 ArcAppWindowLauncherItemController::ArcAppWindowLauncherItemController(
     const std::string& app_id,
     ChromeLauncherController* controller)
     : AppWindowLauncherItemController(TYPE_APP, app_id, app_id, controller) {}
 
 ArcAppWindowLauncherItemController::~ArcAppWindowLauncherItemController() {}
 
 base::string16 ArcAppWindowLauncherItemController::GetTitle() {
   ArcAppListPrefs* arc_prefs =
       ArcAppListPrefs::Get(launcher_controller()->profile());
   DCHECK(arc_prefs);
-  scoped_ptr<ArcAppListPrefs::AppInfo> app_info = arc_prefs->GetApp(app_id());
+  std::unique_ptr<ArcAppListPrefs::AppInfo> app_info =
+      arc_prefs->GetApp(app_id());
   if (!app_info) {
     NOTREACHED();
     return base::string16();
   }
 
   return base::UTF8ToUTF16(app_info->name);
 }
 
 ash::ShelfMenuModel* ArcAppWindowLauncherItemController::CreateApplicationMenu(
     int event_flags) {
   return nullptr;
 }
 
 ChromeLauncherAppMenuItems
 ArcAppWindowLauncherItemController::GetApplicationList(int event_flags) {
   ChromeLauncherAppMenuItems items =
       AppWindowLauncherItemController::GetApplicationList(event_flags);
   for (size_t i = 0; i < windows().size(); ++i) {
     // TODO(khmel): resolve correct icon here.
     gfx::Image image;
     items.push_back(new ChromeLauncherAppMenuItemV2App(
         GetTitle(), &image, app_id(), launcher_controller(), i,
         i == 0 /* has_leading_separator */));
   }
   return items;
 }