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http://www.nieuwecode.nl/yael.aharon@nokia.com authored
https://bugs.webkit.org/show_bug.cgi?id=83980 Reviewed by Simon Fraser. .: * ManualTests/fixed-position-no-z-index.html: Added. Source/WebCore: When a fixed position element does not have z-index explicitly specified, it does not create a stacking context. This results in fixed elements scrolling with the content layer. This patch creates a stacking context for fixed positioned elements for the Qt port, by enabling the flag ENABLE_FIXED_POSITION_CREATES_STACKING_CONTEXT. Added a manual test because this patch takes effect only during scrolling. * css/CSSStyleSelector.cpp: (WebCore::CSSStyleSelector::collectMatchingRulesForList): git-svn-id: http://svn.webkit.org/repository/webkit/trunk@115134 268f45cc-cd09-0410-ab3c-d52691b4dbfc
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