IDL Parser is choking on instanceof metadata in field definition

[adambender]

line 171 of the chrome/media_galleries.idl in the latest version of the library is causing an exception in the parser. The offending snippet is:

dictionary MediaMetadata {
...
[instanceof=Blob] object[] attachedImages;
...
}

It appears the parser doesnt support this construction on a field definition. I verified that if I removed this line from the IDL the parser completed normally.

[adambender]

Adam, I assigned to you on advice from Devon. I am taking over as one of the primary maintainers but he thought you might be able to solve this problem faster than I as I am still coming up to speed.

[bholtz]

I'll take this. I think it is either already fixed, or the fix is not much more than a couple line change in the parser.