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

content/browser/power_save_blocker_impl.cc

 // 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.
 
 #include "build/build_config.h"
 #include "content/browser/power_save_blocker_impl.h"
 
 namespace content {
 
 PowerSaveBlocker::~PowerSaveBlocker() {}
 
 // static
-scoped_ptr<PowerSaveBlocker> PowerSaveBlocker::Create(
+std::unique_ptr<PowerSaveBlocker> PowerSaveBlocker::Create(
     PowerSaveBlockerType type,
     Reason reason,
     const std::string& description) {
-  return scoped_ptr<PowerSaveBlocker>(
+  return std::unique_ptr<PowerSaveBlocker>(
       new PowerSaveBlockerImpl(type, reason, description));
 }
 
 }  // namespace content