GitLab

Drops support of Dictionary and SerializedScriptValue in Web IDL.
All of their use cases were already removed, and keeping support
of them is a risk to re-introduce them.


Bug: 839389, 1047081
Change-Id: I76d641d9df46755423c18276c7e940d355ecf300
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2100167Reviewed-by: Yuki Shiino <yukishiino@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Hitoshi Yoshida <peria@chromium.org>
Cr-Commit-Position: refs/heads/master@{#750899}