Cancelled transitions on Google image search leave content with opacity 0 sometimes

[Simon Fraser (smfr)]

Cancelled transitions on Google image search leave content with opacity 0 sometimes

[Simon Fraser (smfr)]

Created attachment 378030 [details]
Patch

[Simon Fraser (smfr)]

<rdar://problem/54921036>

[Simon Fraser (smfr)]

https://trac.webkit.org/changeset/249511/webkit

[Truitt Savell]

It looks like the new test legacy-animation-engine/compositing/transitions/add-remove-transition.html

added in https://trac.webkit.org/changeset/249511/webkit

is a flakey failure on Mac.

History:
https://webkit-test-results.webkit.org/dashboards/flakiness_dashboard.html#showAllRuns=true&tests=legacy-animation-engine%2Fcompositing%2Ftransitions%2Fadd-remove-transition.html

Diff:
https://build.webkit.org/results/Apple%20Mojave%20Debug%20WK1%20(Tests)/r249588%20(5450)/legacy-animation-engine/compositing/transitions/add-remove-transition-diffs.html

[Simon Fraser (smfr)]

I haven't been able to reproduce the flakiness yet.

[Simon Fraser (smfr)]

[4796/5000] legacy-animation-engine/compositing/transitions/add-remove-transition.html failed unexpectedly (reference mismatch)

[Simon Fraser (smfr)]

Attempted to de-flake in https://trac.webkit.org/changeset/249734/webkit