Remove use of deprecated base::ListValue::Append(Value*) overload in extensions.

chrome/browser/extensions/api/sync_file_system/sync_file_system_api.cc

 // Copyright (c) 2012 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/extensions/api/sync_file_system/sync_file_system_api.h"
 
 #include <memory>
 #include <string>
 #include <utility>
 
@@ skipping 257 matching lines @@
   if (num_results_received_ < num_expected_results_)
     return;
 
   // All results received. Dump array of statuses into extension enum values.
   // Note that the enum types need to be set as strings manually as the
   // autogenerated Results::Create function thinks the enum values should be
   // returned as int values.
   std::unique_ptr<base::ListValue> status_array(new base::ListValue());
   for (URLToStatusMap::iterator it = file_sync_statuses_.begin();
        it != file_sync_statuses_.end(); ++it) {
-    base::DictionaryValue* dict = new base::DictionaryValue();
-    status_array->Append(dict);
+    std::unique_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
 
     storage::FileSystemURL url = it->first;
     SyncStatusCode file_error = it->second.first;
     api::sync_file_system::FileStatus file_status =
         SyncFileStatusToExtensionEnum(it->second.second);
 
     dict->Set("entry", CreateDictionaryValueForFileSystemEntry(
         url, sync_file_system::SYNC_FILE_TYPE_FILE));
     dict->SetString("status", ToString(file_status));
 
     if (file_error == sync_file_system::SYNC_STATUS_OK)
       continue;
     dict->SetString("error", ErrorToString(file_error));
+
+    status_array->Append(std::move(dict));
   }
   SetResult(std::move(status_array));
 
   SendResponse(true);
 }
 
 bool SyncFileSystemGetUsageAndQuotaFunction::RunAsync() {
   std::string url;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &url));
 
@@ skipping 74 matching lines @@
   sync_file_system::SyncFileSystemService* service =
       GetSyncFileSystemService(GetProfile());
   if (!service)
     return false;
   results_ = api::sync_file_system::GetServiceStatus::Results::Create(
       SyncServiceStateToExtensionEnum(service->GetSyncServiceState()));
   return true;
 }
 
 }  // namespace extensions