[css-scroll-snap-2] Rename snapchanged to scrollsnapchange
Per the CSS working group resolution[1], snapchanged should be renamed
to scrollsnapchange. This patch changes file contents. A follow-up patch
will change file names and directory names.
[1]w3c/csswg-drafts#9697 (comment)
Bug: 40273052, 338290502
Change-Id: Ia1eab843be5dd53208b51030aa516294008d8619
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5538748
Commit-Queue: David Awogbemila awogbemila@chromium.org
Reviewed-by: Kevin Ellis kevers@chromium.org
Cr-Commit-Position: refs/heads/main@{#1303892}