144037 2015-04-21 21:30:17 -0700 Avoid doing work when StyleDifference is StyleDifferenceEqual 2015-05-01 15:35:52 -0700 1 1 1 Unclassified WebKit Layout and Rendering 528+ (Nightly build) Unspecified Unspecified RESOLVED FIXED P2 Normal --- 144198 1 simon.fraser webkit-unassigned hyatt kling koivisto simon.fraser oldest_to_newest 1087313 0 simon.fraser 2015-04-21 21:30:17 -0700 We do work in RenderElement::setStyle(), and the various implementations of styleDidChange() when the style is known to be unchanged. I think we can avoid doing a lot of that work. Maybe we should short-circuit for the SyntheticStyleChange case that only exists to trigger compositing updates. 1090917 1 simon.fraser 2015-05-01 15:35:52 -0700 This was fixed in r183461