Convert //extensions/browser from scoped_ptr to std::unique_ptr

extensions/browser/mojo/keep_alive_impl_unittest.cc

 // 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.
 
 #include "extensions/browser/mojo/keep_alive_impl.h"
 
 #include <utility>
 
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 54 matching lines @@
   }
 
   const Extension* extension() { return extension_.get(); }
 
   int GetKeepAliveCount() {
     return ProcessManager::Get(browser_context())
         ->GetLazyKeepaliveCount(extension());
   }
 
  private:
-  scoped_ptr<base::MessageLoop> message_loop_;
-  scoped_ptr<content::NotificationService> notification_service_;
+  std::unique_ptr<base::MessageLoop> message_loop_;
+  std::unique_ptr<content::NotificationService> notification_service_;
   scoped_refptr<const Extension> extension_;
 
   DISALLOW_COPY_AND_ASSIGN(KeepAliveTest);
 };
 
 TEST_F(KeepAliveTest, Basic) {
   mojo::InterfacePtr<KeepAlive> keep_alive;
   CreateKeepAlive(mojo::GetProxy(&keep_alive));
   EXPECT_EQ(1, GetKeepAliveCount());
 
@@ skipping 73 matching lines @@
   // ProcessManager and so the keep-alive count should remain unchanged.
   EXPECT_EQ(1, GetKeepAliveCount());
 
   // Wait for |keep_alive| to disconnect.
   base::RunLoop run_loop;
   keep_alive.set_connection_error_handler(run_loop.QuitClosure());
   run_loop.Run();
 }
 
 }  // namespace extensions