FileSystemOperation::ScopedQuotaNotifier::ScopedQuotaNotifier(
    FileSystemContext* context, const GURL& origin_url, FileSystemType type)
    : origin_url_(origin_url), type_(type) {
  DCHECK(context);
  DCHECK(type_ != kFileSystemTypeUnknown);
  quota_util_ = context->GetQuotaUtil(type_);
  if (quota_util_) {
    DCHECK(quota_util_->proxy());
    quota_util_->proxy()->StartUpdateOrigin(origin_url_, type_);
  }
}

Unknown