UNKNOWN_RULE 52 Source/bindings/v8/custom/V8CSSRuleCustom.cpp case CSSRule::UNKNOWN_RULE: UNKNOWN_RULE 114 Source/core/css/CSSPropertySourceData.h return adoptRefWillBeNoop(new CSSRuleSourceData(UNKNOWN_RULE)); UNKNOWN_RULE 34 Source/core/css/CSSUnknownRule.h virtual CSSRule::Type type() const OVERRIDE { return UNKNOWN_RULE; } UNKNOWN_RULE 123 Source/core/css/parser/BisonCSSParser-in.cpp , m_ruleHeaderType(CSSRuleSourceData::UNKNOWN_RULE) UNKNOWN_RULE 1801 Source/core/css/parser/BisonCSSParser-in.cpp if (m_ruleHeaderType == CSSRuleSourceData::UNKNOWN_RULE) UNKNOWN_RULE 2129 Source/core/css/parser/BisonCSSParser-in.cpp ASSERT(m_ruleHeaderType != CSSRuleSourceData::UNKNOWN_RULE); UNKNOWN_RULE 2130 Source/core/css/parser/BisonCSSParser-in.cpp m_ruleHeaderType = CSSRuleSourceData::UNKNOWN_RULE;