Wrong Web IDL type for URLs in Protected Audience (formerly FLEDGE)

[dontcallmedom-bot]

While crawling Protected Audience (formerly FLEDGE), wrong Web IDL type for URLs:

• field url in dictionary AdRender uses DOMString instead of recommended USVString for URLs

_{Cc @dontcallmedom @tidoust}

_{This issue was detected and reported semi-automatically by Strudy based on data collected in webref.}

[MattMenke2]

Relatedly, we don't run it in an environment that actually has access to the standard Javascript value to IDL magic, so I'm not sure how accurate any of the annotations for types accepted by methods provided to bid scripts are, compared to our current implementation.

[morlovich]

I put in a bunch of effort to match the IDL precisely. Well, except for an arbitrary cap of 100 on sequences.

(Though I didn't add support for USVString, I seem to recall there was some annoyance about how conversion to utf-8 happens making checking it frustrating).