J. Ryan Stinnett 65635bc099 Bug 1394841 - Check iframes for related tabs in WebExt. r=kmag ...

When using WebExt messaging with Responsive Design Mode, message manager
messages traveling from content to parent such as "MessageChannel:Messages" are
received with `event.target` set to the <iframe mozbrowser> inside RDM that
hosts the content.

Here we change `getSender` processing for messages like this to also check HTML
iframes for related tabs, in addition to XUL elements as before.

MozReview-Commit-ID: 3qphe2W8jHM

2017-11-01 17:19:19 -05:00

27 KiB

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