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

ios/web/app/web_main_loop.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_WEB_APP_WEB_MAIN_LOOP_H_
 #define IOS_WEB_APP_WEB_MAIN_LOOP_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class CommandLine;
 class FilePath;
 class MessageLoop;
 class PowerMonitor;
 class SystemMonitor;
 }  // namespace base
 
 namespace net {
@@ skipping 40 matching lines @@
 
   // Called just before attaching to the main message loop.
   int PreMainMessageLoopRun();
 
   // Members initialized on construction ---------------------------------------
   int result_code_;
   // True if the non-UI threads were created.
   bool created_threads_;
 
   // Members initialized in |MainMessageLoopStart()| ---------------------------
-  scoped_ptr<base::MessageLoop> main_message_loop_;
-  scoped_ptr<base::SystemMonitor> system_monitor_;
-  scoped_ptr<base::PowerMonitor> power_monitor_;
-  scoped_ptr<net::NetworkChangeNotifier> network_change_notifier_;
+  std::unique_ptr<base::MessageLoop> main_message_loop_;
+  std::unique_ptr<base::SystemMonitor> system_monitor_;
+  std::unique_ptr<base::PowerMonitor> power_monitor_;
+  std::unique_ptr<net::NetworkChangeNotifier> network_change_notifier_;
 
   // Destroy parts_ before main_message_loop_ (required) and before other
   // classes constructed in web (but after main_thread_).
-  scoped_ptr<WebMainParts> parts_;
+  std::unique_ptr<WebMainParts> parts_;
 
   // Members initialized in |InitializeMainThread()| ---------------------------
   // This must get destroyed before other threads that are created in parts_.
-  scoped_ptr<WebThreadImpl> main_thread_;
+  std::unique_ptr<WebThreadImpl> main_thread_;
 
   // Members initialized in |RunMainMessageLoopParts()| ------------------------
-  scoped_ptr<WebThreadImpl> db_thread_;
-  scoped_ptr<WebThreadImpl> file_user_blocking_thread_;
-  scoped_ptr<WebThreadImpl> file_thread_;
-  scoped_ptr<WebThreadImpl> cache_thread_;
-  scoped_ptr<WebThreadImpl> io_thread_;
+  std::unique_ptr<WebThreadImpl> db_thread_;
+  std::unique_ptr<WebThreadImpl> file_user_blocking_thread_;
+  std::unique_ptr<WebThreadImpl> file_thread_;
+  std::unique_ptr<WebThreadImpl> cache_thread_;
+  std::unique_ptr<WebThreadImpl> io_thread_;
 
   // Members initialized in |WebThreadsStarted()| --------------------------
-  scoped_ptr<CookieNotificationBridge> cookie_notification_bridge_;
+  std::unique_ptr<CookieNotificationBridge> cookie_notification_bridge_;
 
   DISALLOW_COPY_AND_ASSIGN(WebMainLoop);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_APP_WEB_MAIN_LOOP_H_