Convert //ios from scoped_ptr to std::unique_ptr.

ios/chrome/browser/application_context_impl.h

 // Copyright 2014 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.
 
 #ifndef IOS_CHROME_BROWSER_APPLICATION_CONTEXT_IMPL_H_
 #define IOS_CHROME_BROWSER_APPLICATION_CONTEXT_IMPL_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "ios/chrome/browser/application_context.h"
 
 class PrefRegistrySimple;
 
 namespace base {
 class CommandLine;
 class SequencedTaskRunner;
 }
 
@@ skipping 48 matching lines @@
   // Sets the locale used by the application.
   void SetApplicationLocale(const std::string& locale);
 
   // Create the local state.
   void CreateLocalState();
 
   // Create the gcm driver.
   void CreateGCMDriver();
 
   base::ThreadChecker thread_checker_;
-  scoped_ptr<PrefService> local_state_;
-  scoped_ptr<net_log::ChromeNetLog> net_log_;
-  scoped_ptr<network_time::NetworkTimeTracker> network_time_tracker_;
-  scoped_ptr<IOSChromeIOThread> ios_chrome_io_thread_;
-  scoped_ptr<metrics_services_manager::MetricsServicesManager>
+  std::unique_ptr<PrefService> local_state_;
+  std::unique_ptr<net_log::ChromeNetLog> net_log_;
+  std::unique_ptr<network_time::NetworkTimeTracker> network_time_tracker_;
+  std::unique_ptr<IOSChromeIOThread> ios_chrome_io_thread_;
+  std::unique_ptr<metrics_services_manager::MetricsServicesManager>
       metrics_services_manager_;
-  scoped_ptr<gcm::GCMDriver> gcm_driver_;
-  scoped_ptr<component_updater::ComponentUpdateService> component_updater_;
+  std::unique_ptr<gcm::GCMDriver> gcm_driver_;
+  std::unique_ptr<component_updater::ComponentUpdateService> component_updater_;
   scoped_refptr<CRLSetFetcher> crl_set_fetcher_;
   scoped_refptr<safe_browsing::SafeBrowsingService> safe_browsing_service_;
-  scoped_ptr<ios::ChromeBrowserStateManager> chrome_browser_state_manager_;
+  std::unique_ptr<ios::ChromeBrowserStateManager> chrome_browser_state_manager_;
   std::string application_locale_;
 
   // Sequenced task runner for local state related I/O tasks.
   const scoped_refptr<base::SequencedTaskRunner> local_state_task_runner_;
 
   bool was_last_shutdown_clean_;
   bool created_local_state_;
 
   DISALLOW_COPY_AND_ASSIGN(ApplicationContextImpl);
 };
 
 #endif  // IOS_CHROME_BROWSER_APPLICATION_CONTEXT_IMPL_H_