Several KeyframeEffectStack methods iterate over m_effects to run a test and find whether one effect matches a condition. We should use a shared method to run the iteration and check for a provided condition.
Pull request: https://github.com/WebKit/WebKit/pull/6681
Committed 256888@main (3caac1b06ad4): <https://commits.webkit.org/256888@main> Reviewed commits have been landed. Closing PR #6681 and removing active labels.
<rdar://problem/102562054>