Target: pass through "iframe" types

[VikramTiwari]

Currently iframe target types are passed inside other type even when the actual information has the type 'iframe'. One sample is while opening anything on google drive, a target for OAuth can be seen with sample data in there:

targetId: "58521E586E76B7086CEA5F0A92B2378E", type: "iframe", title: "https://accounts.google.com/o/oauth2/postmessageR...

Any reason to not pass it as iframe type?

[aslushnikov]

Any reason to not pass it as iframe type?

@VikramTiwari out-of-process iframes is a browser implementation detail and should be encapsulated inside the Puppeteer API. We don't want to expose any iframe targets; out-of-process iframes should be merged into the page frame tree.

Currently, we disable OOPIF as much as can, but certain origins are still pushed into OOPIF. There's an outstanding bug #2548 regarding this; please upvote to follow updates on that one.

Hope this helps,
Andrey