Mark media/track/opera/interfaces/TextTrackList/onaddtrack.html  as flaky.

TBR=caseq
BUG=339592

Review URL: https://codereview.chromium.org/138533004

git-svn-id: svn://svn.chromium.org/blink/trunk@166172 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Mark http/tests/navigation/back-to-redirect-with-frame.php as flaky.

BUG=339597
TBR=caseq

Review URL: https://codereview.chromium.org/136753011

git-svn-id: svn://svn.chromium.org/blink/trunk@166173 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Mark virtual/threaded/transitions/transition-end-event-unprefixed-01.html as flaky.

Now on Linux.

TBR=caseq
BUG=248938

Review URL: https://codereview.chromium.org/150773002

git-svn-id: svn://svn.chromium.org/blink/trunk@166174 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Web Animations: Add Player::finished()

Spec at http://dev.w3.org/fxtf/web-animations/#widl-Player-finished.

BUG=334926

Review URL: https://codereview.chromium.org/149933002

git-svn-id: svn://svn.chromium.org/blink/trunk@166175 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Deprecate unused feature DOMImplementationCreateCSSStyleSheet

Intent to Deprecate:
    https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/acGbTAPb4Ls
    
BUG=335001

Review URL: https://codereview.chromium.org/140743002

git-svn-id: svn://svn.chromium.org/blink/trunk@166176 bbb929c8-8fbe-4397-9dbb-9b2b20218538