
Elements with display:contents style (such as shadow DOM slot element) don't have a layout object and quad collector was skipping them because of that. This fix traverses their content instead. Bug: none Change-Id: Id42697b59c50330dc2e34032934382819d1de62f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2766028 Commit-Queue: Yury Semikhatsky <yurys@chromium.org> Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org> Reviewed-by: Andrey Kosyakov <caseq@chromium.org> Reviewed-by: Alex Rudenko <alexrudenko@chromium.org> Cr-Commit-Position: refs/heads/master@{#864024}