Force background color to white to work on Chromecast.
Force background color to white to work on Chromecast.

This is live at https://cool-stip-dot-sheriff-o-matic.appspot.com/

NOTRY=true

Review URL: https://codereview.chromium.org/681033002

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@184478 bbb929c8-8fbe-4397-9dbb-9b2b20218538

nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra,nicko96/Chrome-Infra