Deflaked fast/animation/last-child-assert.html

The source of the flake was that the resulting background-color was not
always white during the transition. I was able to turn it into a text
based test and confirmed that the test still triggers the assert with the
initial fix reverted.

R=mstensho@opera.com
BUG=453899

Review URL: https://codereview.chromium.org/890393002

git-svn-id: svn://svn.chromium.org/blink/trunk@189336 bbb929c8-8fbe-4397-9dbb-9b2b20218538
4 files changed
tree: 0b7931c53915f9914fb525efe3f2b7a8741ac074
  1. third_party/