OnSafeMediaMetadataParserDone  830 chrome/browser/extensions/api/media_galleries/media_galleries_api.cc       &MediaGalleriesGetMetadataFunction::OnSafeMediaMetadataParserDone, this));
OnSafeMediaMetadataParserDone  258 chrome/browser/extensions/api/media_galleries/media_galleries_api.h   void OnSafeMediaMetadataParserDone(