[text-box-trim] Fix end for block-in-inline
This patch fixes trimming the end for block-in-inline.
All changes are under a runtime flag enabled only for testing.
Bug: 40254880
Change-Id: Id711aa3f28b458a9594ba659b308a03cb381de1d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5588017
Commit-Queue: Lingqi Chi lingqi@chromium.org
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@{#1309228}