Add WebDX feature mapping for ruby-align and ruby-position
This CL should have no user-visible behavior changes.
Change-Id: I212d4383afd7c6ad8ca1495b024267695db2e806
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6007802
Reviewed-by: Koji Ishii kojii@chromium.org
Reviewed-by: Takashi Toyoshima toyoshim@chromium.org
Commit-Queue: Kent Tamura tkent@chromium.org
Cr-Commit-Position: refs/heads/main@{#1381026}