WebDX feature mapping for ch, rch, and rex units
Change-Id: I3f07f3890c0ab529969d3209541efbe9a68e3ea1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5999379
Reviewed-by: Steinar H Gunderson sesse@chromium.org
Commit-Queue: Rune Lillesveen futhark@chromium.org
Reviewed-by: Shunya Shishido sisidovski@chromium.org
Cr-Commit-Position: refs/heads/main@{#1380228}