Re-write many calls to WrapUnique() with MakeUnique()

chrome/browser/chromeos/policy/cloud_external_data_manager_base.cc

 // Copyright 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 "chrome/browser/chromeos/policy/cloud_external_data_manager_base.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
@@ skipping 219 matching lines @@
     const std::string& hash,
     const std::string& data) {
   DCHECK(metadata_.find(policy) != metadata_.end());
   DCHECK_EQ(hash, metadata_[policy].hash);
   if (external_data_store_)
     external_data_store_->Store(policy, hash, data);
 
   const FetchCallbackList& pending_callbacks = pending_downloads_[policy];
   for (FetchCallbackList::const_iterator it = pending_callbacks.begin();
        it != pending_callbacks.end(); ++it) {
-    RunCallback(*it, base::WrapUnique(new std::string(data)));
+    RunCallback(*it, base::MakeUnique<std::string>(data));
   }
   pending_downloads_.erase(policy);
   return true;
 }
 
 void CloudExternalDataManagerBase::Backend::Fetch(
     const std::string& policy,
     const ExternalDataFetcher::FetchCallback& callback) {
   Metadata::const_iterator metadata = metadata_.find(policy);
   if (metadata == metadata_.end()) {
@@ skipping 195 matching lines @@
   max_external_data_size_for_testing = max_size;
 }
 
 void CloudExternalDataManagerBase::FetchAll() {
   DCHECK(CalledOnValidThread());
   backend_task_runner_->PostTask(FROM_HERE, base::Bind(
       &Backend::FetchAll, base::Unretained(backend_.get())));
 }
 
 }  // namespace policy