[Web Animations] Add an ASSERT() to check the contract that a CSSTransition has a valid effect in setTimingProperties()
Created attachment 345655 [details] Patch
Comment on attachment 345655 [details] Patch Attachment 345655 [details] did not pass win-ews (win): Output: https://webkit-queues.webkit.org/results/8638742 New failing tests: http/tests/security/contentSecurityPolicy/userAgentShadowDOM/allow-video.html
Created attachment 345679 [details] Archive of layout-test-results from ews200 for win-future The attached test failures were seen while running run-webkit-tests on the win-ews. Bot: ews200 Port: win-future Platform: CYGWIN_NT-6.1-2.9.0-0.318-5-3-x86_64-64bit
Committed r234166: <https://trac.webkit.org/changeset/234166>
<rdar://problem/42551884>