Add WebDX use counters for cap, ic, and lh units
Also add normal use counters as they didn't exist.
Change-Id: I116e7588d01ddf4005a2dd668e7acaec16d66a3b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5987870
Commit-Queue: Rune Lillesveen futhark@chromium.org
Reviewed-by: Noam Rosenthal nrosenthal@chromium.org
Reviewed-by: Anders Hartvoll Ruud andruud@chromium.org
Cr-Commit-Position: refs/heads/main@{#1378186}