GitLab

Construct ambient widget when two images are in memory to prevent burn
in.

BUG=b:167332126

Cq-Include-Trybots: luci.chrome.try:linux-chromeos-chrome
Change-Id: I520ada00429125d35bda9ef66089ca9a9c8d4440
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440306
Commit-Queue: Jeffrey Young <cowmoo@chromium.org>
Reviewed-by: Tao Wu <wutao@chromium.org>
Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#814711}