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akling@apple.com authored
<http://webkit.org/b/116344> Reviewed by Darin Adler. Teach RenderStyle::diff() to ignore differences in the outline value if both styles have non-visible outlines. * rendering/style/RenderStyle.cpp: (WebCore::RenderStyle::diff): * rendering/style/StyleBackgroundData.cpp: (WebCore::StyleBackgroundData::isEquivalentForPainting): * rendering/style/StyleBackgroundData.h: (StyleBackgroundData): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150318 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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