StyleSharingBehavior  625 Source/core/css/resolver/StyleResolver.cpp PassRefPtr<RenderStyle> StyleResolver::styleForElement(Element* element, RenderStyle* defaultParent, StyleSharingBehavior sharingBehavior,
StyleSharingBehavior  121 Source/core/css/resolver/StyleResolver.h     PassRefPtr<RenderStyle> styleForElement(Element*, RenderStyle* parentStyle = 0, StyleSharingBehavior = AllowStyleSharing,