PERMISSION_ROLE_READER  778 chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc       google_apis::drive::PERMISSION_ROLE_READER;
PERMISSION_ROLE_READER  790 chrome/browser/chromeos/extensions/file_manager/private_api_drive.cc       role = google_apis::drive::PERMISSION_ROLE_READER;
PERMISSION_ROLE_READER  846 google_apis/drive/drive_api_requests.cc       role_(PERMISSION_ROLE_READER) {
PERMISSION_ROLE_READER  884 google_apis/drive/drive_api_requests.cc     case PERMISSION_ROLE_READER: