void DocumentStyleSheetCollection::resetCSSFeatureFlags()
{
StyleResolver* styleResolver = m_document->styleResolver();
m_usesSiblingRules = styleResolver->usesSiblingRules();
m_usesFirstLineRules = styleResolver->usesFirstLineRules();
m_usesBeforeAfterRules = styleResolver->usesBeforeAfterRules();
}
void DocumentStyleSheetCollection::combineCSSFeatureFlags()
{
// Delay resetting the flags until after next style recalc since unapplying the style may not work without these set (this is true at least with before/after).
StyleResolver* styleResolver = m_document->styleResolver();
m_usesSiblingRules = m_usesSiblingRules || styleResolver->usesSiblingRules();
m_usesFirstLineRules = m_usesFirstLineRules || styleResolver->usesFirstLineRules();
m_usesBeforeAfterRules = m_usesBeforeAfterRules || styleResolver->usesBeforeAfterRules();
}
