merge_pr_46340

[text-box-trim] Test accumulations

This patch adds a test for when the element to trim has
different text-box-edge value from the text-box-edge value
of the element that has text-box-trim. Discussed and
resolved at:
w3c/csswg-drafts#5426

Bug: 40254880
Change-Id: I5685fbaebddb8c7429b3b041c5fe0f88b982fc3d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5547563
Auto-Submit: Koji Ishii kojii@chromium.org
Reviewed-by: Kent Tamura tkent@chromium.org
Commit-Queue: Kent Tamura tkent@chromium.org
Cr-Commit-Position: refs/heads/main@{#1303166}