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

chrome/browser/chromeos/file_system_provider/operations/test_util.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 "chrome/browser/chromeos/file_system_provider/operations/test_util.h"
 #include "extensions/browser/event_router.h"
 
 namespace chromeos {
 namespace file_system_provider {
 namespace operations {
 namespace util {
 
 LoggingDispatchEventImpl::LoggingDispatchEventImpl(bool dispatch_reply)
     : dispatch_reply_(dispatch_reply) {
 }
 
 LoggingDispatchEventImpl::~LoggingDispatchEventImpl() {
 }
 
 bool LoggingDispatchEventImpl::OnDispatchEventImpl(
-    scoped_ptr<extensions::Event> event) {
+    std::unique_ptr<extensions::Event> event) {
   events_.push_back(event->DeepCopy());
   return dispatch_reply_;
 }
 
 void LogStatusCallback(StatusCallbackLog* log, base::File::Error result) {
   log->push_back(result);
 }
 
 }  // namespace util
 }  // namespace operations
 }  // namespace file_system_provider
 }  // namespace chromeos