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

chrome/browser/chromeos/policy/device_policy_cros_browser_test.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_POLICY_CROS_BROWSER_TEST_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_POLICY_CROS_BROWSER_TEST_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 61 matching lines @@
   chromeos::FakeSessionManagerClient* session_manager_client() {
     return fake_session_manager_client_;
   }
 
   DevicePolicyBuilder* device_policy() { return test_helper_.device_policy(); }
 
  private:
   DevicePolicyCrosTestHelper test_helper_;
 
   // FakeDBusThreadManager uses FakeSessionManagerClient.
-  scoped_ptr<chromeos::DBusThreadManagerSetter> dbus_setter_;
+  std::unique_ptr<chromeos::DBusThreadManagerSetter> dbus_setter_;
   chromeos::FakeSessionManagerClient* fake_session_manager_client_;
 
   DISALLOW_COPY_AND_ASSIGN(DevicePolicyCrosBrowserTest);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_DEVICE_POLICY_CROS_BROWSER_TEST_H_