We never ask for text style without parent style.

Just DCHECK that the layout tree parent node is non-null.

This is split out of:

https://chromium-review.googlesource.com/c/chromium/src/+/1323555.

Bug: 914784

Change-Id: Ib1e17f2cb9279d1f3c87fb0d3d42af937d3ca3ca
Reviewed-on: https://chromium-review.googlesource.com/c/1400689
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Reviewed-by: Morten Stenshorne <mstensho@chromium.org>
Cr-Commit-Position: refs/heads/master@{#620891}
1 file changed