This fixes layering between page and its owner, so that the page does
not update the owner state.

Bug: chromium:694255
Change-Id: Ic4f594340bed42d4f2c13d0a30f451317cbc9f50
Reviewed-on: https://chromium-review.googlesource.com/620732Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Commit-Queue: Ulan Degenbaev <ulan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47437}