Invalidation set features are not skippable.

Source/core/css/RuleFeature.cpp

Index: Source/core/css/RuleFeature.cpp
diff --git a/Source/core/css/RuleFeature.cpp b/Source/core/css/RuleFeature.cpp
index 8b1d9b8a0d97f13acaca239da4a2a95e0e848c91..ec80d685e2b2b42e93d1641e445b7e5e0d2638e3 100644
--- a/Source/core/css/RuleFeature.cpp
+++ b/Source/core/css/RuleFeature.cpp
@@ -44,10 +44,10 @@ namespace blink {
 
 static bool isSkippableComponentForInvalidation(const CSSSelector& selector)
 {
-    if (selector.match() == CSSSelector::Tag
-        || selector.match() == CSSSelector::Id
-        || selector.isAttributeSelector())
+    if (selector.match() == CSSSelector::Tag) {
+        ASSERT(selector.tagQName().localName() == starAtom);
         return true;
+    }
     if (selector.match() == CSSSelector::PseudoElement) {
         switch (selector.pseudoType()) {
         case CSSSelector::PseudoBefore:
@@ -56,7 +56,8 @@ static bool isSkippableComponentForInvalidation(const CSSSelector& selector)
         case CSSSelector::PseudoShadow:
             return true;
         default:
-            return selector.isCustomPseudoElement();
+            ASSERT(!selector.isCustomPseudoElement());
+            return false;
         }
     }
     if (selector.match() != CSSSelector::PseudoClass)