Fix memory error during selector matching due to getMatchedCSSRules.

Source/core/inspector/InspectorCSSAgent.cpp

Index: Source/core/inspector/InspectorCSSAgent.cpp
diff --git a/Source/core/inspector/InspectorCSSAgent.cpp b/Source/core/inspector/InspectorCSSAgent.cpp
index e876b3327bdb3a720cd9fcfaf3587061efbe1eb6..c8eb513ccb6f1a6e1ef0a13b28e063f765755462 100644
--- a/Source/core/inspector/InspectorCSSAgent.cpp
+++ b/Source/core/inspector/InspectorCSSAgent.cpp
@@ -1076,14 +1076,15 @@ void InspectorCSSAgent::getMatchedStylesForNode(ErrorString* errorString, int no
 
     // Matched rules.
     StyleResolver* styleResolver = element->ownerDocument()->styleResolver();
-    RefPtr<CSSRuleList> matchedRules = styleResolver->pseudoStyleRulesForElement(element, elementPseudoId, StyleResolver::AllCSSRules);
+    // FIXME:
+    RefPtr<CSSRuleList> matchedRules = styleResolver->pseudoStyleRulesForElement(element, elementPseudoId, StyleResolver::AllCSSRules, DoNotIncludeStyleSheetInCSSOMWrapper);
     matchedCSSRules = buildArrayForMatchedRuleList(matchedRules.get(), styleResolver, originalElement);
 
     // Pseudo elements.
     if (!elementPseudoId && (!includePseudo || *includePseudo)) {
         RefPtr<TypeBuilder::Array<TypeBuilder::CSS::PseudoIdMatches> > pseudoElements = TypeBuilder::Array<TypeBuilder::CSS::PseudoIdMatches>::create();
         for (PseudoId pseudoId = FIRST_PUBLIC_PSEUDOID; pseudoId < AFTER_LAST_INTERNAL_PSEUDOID; pseudoId = static_cast<PseudoId>(pseudoId + 1)) {
-            RefPtr<CSSRuleList> matchedRules = styleResolver->pseudoStyleRulesForElement(element, pseudoId, StyleResolver::AllCSSRules);
+            RefPtr<CSSRuleList> matchedRules = styleResolver->pseudoStyleRulesForElement(element, pseudoId, StyleResolver::AllCSSRules, DoNotIncludeStyleSheetInCSSOMWrapper);
             if (matchedRules && matchedRules->length()) {
                 RefPtr<TypeBuilder::CSS::PseudoIdMatches> matches = TypeBuilder::CSS::PseudoIdMatches::create()
                     .setPseudoId(static_cast<int>(pseudoId))
@@ -1101,7 +1102,7 @@ void InspectorCSSAgent::getMatchedStylesForNode(ErrorString* errorString, int no
         Element* parentElement = element->parentElement();
         while (parentElement) {
             StyleResolver* parentStyleResolver = parentElement->ownerDocument()->styleResolver();
-            RefPtr<CSSRuleList> parentMatchedRules = parentStyleResolver->styleRulesForElement(parentElement, StyleResolver::AllCSSRules);
+            RefPtr<CSSRuleList> parentMatchedRules = parentStyleResolver->styleRulesForElement(parentElement, StyleResolver::AllCSSRules, DoNotIncludeStyleSheetInCSSOMWrapper);
             RefPtr<TypeBuilder::CSS::InheritedStyleEntry> entry = TypeBuilder::CSS::InheritedStyleEntry::create()
                 .setMatchedCSSRules(buildArrayForMatchedRuleList(parentMatchedRules.get(), styleResolver, parentElement));
             if (parentElement->style() && parentElement->style()->length()) {