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

ios/web/public/test/test_web_thread_bundle.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_PUBLIC_TEST_TEST_WEB_THREAD_BUNDLE_H_
 #define IOS_WEB_PUBLIC_TEST_TEST_WEB_THREAD_BUNDLE_H_
 
 // TestWebThreadBundle is a convenience class for creating a set of
 // TestWebThreads in unit tests.  For most tests, it is sufficient to
 // just instantiate the TestWebThreadBundle as a member variable.
@@ skipping 12 matching lines @@
 // tasks to the blocking pool via PostTaskAndReply. By ensuring that the tasks
 // are run while the originating TestBroswserThreads still exist, we prevent
 // leakage of PostTaskAndReplyRelay objects. We also flush the blocking pool
 // again at the point where it would normally be shut down, to better simulate
 // the normal thread shutdown process.
 //
 // Some tests using the IO thread expect a MessageLoopForIO. Passing
 // IO_MAINLOOP will use a MessageLoopForIO for the main MessageLoop.
 // Most of the time, this avoids needing to use a REAL_IO_THREAD.
 
+#include <memory>
+
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace base {
 class MessageLoop;
 }
 
 namespace web {
 
 class TestWebThread;
 
 class TestWebThreadBundle {
@@ skipping 12 matching lines @@
   };
 
   TestWebThreadBundle();
   explicit TestWebThreadBundle(int options);
 
   ~TestWebThreadBundle();
 
  private:
   void Init(int options);
 
-  scoped_ptr<base::MessageLoop> message_loop_;
-  scoped_ptr<TestWebThread> ui_thread_;
-  scoped_ptr<TestWebThread> db_thread_;
-  scoped_ptr<TestWebThread> file_thread_;
-  scoped_ptr<TestWebThread> file_user_blocking_thread_;
-  scoped_ptr<TestWebThread> cache_thread_;
-  scoped_ptr<TestWebThread> io_thread_;
+  std::unique_ptr<base::MessageLoop> message_loop_;
+  std::unique_ptr<TestWebThread> ui_thread_;
+  std::unique_ptr<TestWebThread> db_thread_;
+  std::unique_ptr<TestWebThread> file_thread_;
+  std::unique_ptr<TestWebThread> file_user_blocking_thread_;
+  std::unique_ptr<TestWebThread> cache_thread_;
+  std::unique_ptr<TestWebThread> io_thread_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWebThreadBundle);
 };
 
 }  // namespace web
 
 #endif  // IOS_WEB_PUBLIC_TEST_TEST_WEB_THREAD_BUNDLE_H_