const uint8* init_data, size_t init_data_length) {
// TODO(ddorwin): Guard against this in supported types check and remove this.
// Chromium only supports ASCII MIME types.
- if (!IsStringASCII(mime_type)) {
+ if (!base::IsStringASCII(mime_type)) {
NOTREACHED();
OnSessionError(media::MediaKeys::kUnknownError, 0);
return;