Adjusting expectations for fast/animation/last-child-assert.html
Adjusting expectations for fast/animation/last-child-assert.html

TBR=vsevik
BUG=453899
NOTRY=true

Review URL: https://codereview.chromium.org/889903003

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@189276 bbb929c8-8fbe-4397-9dbb-9b2b20218538

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk