sideways: Fix inline element position in a block-fragmented container
inlineElement.getClientRects() returned incorrect positions if the
element was in non-first fragment of the container.
Bug: 40501131
Change-Id: Ic00b8a64012dac870fbaef1b97fdcc9d36fbcb45
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5938575
Auto-Submit: Kent Tamura tkent@chromium.org
Reviewed-by: Koji Ishii kojii@chromium.org
Commit-Queue: Koji Ishii kojii@chromium.org
Cr-Commit-Position: refs/heads/main@{#1371834}