[text-box-trim] Support invalidations
This patch adds the layout invalidations for the
text-box-trim and the text-box-edge properties.
Changes are under a runtime flag enabled only for testing.
Bug: 40254880
Change-Id: I56f1d1f0a7e9c6667937c90e94d7dfa91615771a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5552565
Reviewed-by: Lingqi Chi lingqi@chromium.org
Commit-Queue: Koji Ishii kojii@chromium.org
Auto-Submit: Koji Ishii kojii@chromium.org
Cr-Commit-Position: refs/heads/main@{#1304491}