Gardening: test expectations update.

virtual/stable/http/tests/websocket/workers/worker-reload-repeated.html
http/tests/websocket/workers/worker-reload-repeated.html
virtual/threaded/animations/keyframe-timing-functions-multiple-properties.html

BUG=353727,349537
TEST=
TBR=zmo@chromium.org

Review URL: https://codereview.chromium.org/203673004

git-svn-id: svn://svn.chromium.org/blink/trunk@169475 bbb929c8-8fbe-4397-9dbb-9b2b20218538