DeleteDataForOriginOnFileTaskRunner  174 chrome/browser/browsing_data/browsing_data_file_system_helper.cc   filesystem_context_->DeleteDataForOriginOnFileTaskRunner(origin);
DeleteDataForOriginOnFileTaskRunner  129 webkit/browser/fileapi/file_system_context.h   bool DeleteDataForOriginOnFileTaskRunner(const GURL& origin_url);