Brian Birtles 71d9fe5d60 style: Don't share styles when an element has animations applied to it. ... We already avoid putting styles in the shared style cache for an element that has animations[1] but if we are doing the initial style of two siblings where the _second_ has animations applied, there is nothing to stop us from trying to share with the first (un-animated) element. This patch adds a check to prevent sharing in that case since sharing style between animated elements is unsound for the reasons described in [1]. A number of tests including: testing/web-platform/tests/web-animations/animation-model/animation-types/visibility.html will fail without this fix once we remove the style flush from KeyframeEffect::SetKeyframes later in this patch series. [1] https://searchfox.org/mozilla-central/rev/6e3cc153566f5f288ae768a2172385b8436d61dd/servo/components/style/sharing/mod.rs#597 Differential Revision: https://phabricator.services.mozilla.com/D18913		2019-02-23 21:02:53 -08:00
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checks.rs	Update MPL license to https (part 4)	2018-11-19 14:47:27 +01:00
mod.rs	style: Don't share styles when an element has animations applied to it.	2019-02-23 21:02:53 -08:00