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

chrome/browser/chromeos/app_mode/app_launch_utils.cc

 // Copyright 2013 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/chromeos/app_mode/app_launch_utils.h"
 
 #include "base/macros.h"
 #include "chrome/browser/chromeos/app_mode/kiosk_app_launch_error.h"
 #include "chrome/browser/chromeos/app_mode/startup_app_launcher.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
@@ skipping 37 matching lines @@
   void OnInstallingApp() override {}
   void OnReadyToLaunch() override { startup_app_launcher_->LaunchApp(); }
   void OnLaunchSucceeded() override { Cleanup(); }
   void OnLaunchFailed(KioskAppLaunchError::Error error) override {
     KioskAppLaunchError::Save(error);
     chrome::AttemptUserExit();
     Cleanup();
   }
   bool IsShowingNetworkConfigScreen() override { return false; }
 
-  scoped_ptr<StartupAppLauncher> startup_app_launcher_;
+  std::unique_ptr<StartupAppLauncher> startup_app_launcher_;
 
   DISALLOW_COPY_AND_ASSIGN(AppLaunchManager);
 };
 
 void LaunchAppOrDie(Profile* profile, const std::string& app_id) {
   // AppLaunchManager manages its own lifetime.
   (new AppLaunchManager(profile, app_id))->Start();
 }
 
 }  // namespace chromeos