Fix memory error during selector matching due to getMatchedCSSRules.

Source/core/inspector/InspectorCSSAgent.cpp

 /*
  * Copyright (C) 2010, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 1058 matching lines @@
     if (!element)
         return;
 
     Element* originalElement = element;
     PseudoId elementPseudoId = element->pseudoId();
     if (elementPseudoId)
         element = element->parentOrShadowHostElement();
 
     // 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))
                     .setMatches(buildArrayForMatchedRuleList(matchedRules.get(), styleResolver, element));
                 pseudoElements->addItem(matches.release());
             }
         }
 
         pseudoIdMatches = pseudoElements.release();
     }
 
     // Inherited styles.
     if (!elementPseudoId && (!includeInherited || *includeInherited)) {
         RefPtr<TypeBuilder::Array<TypeBuilder::CSS::InheritedStyleEntry> > entries = TypeBuilder::Array<TypeBuilder::CSS::InheritedStyleEntry>::create();
         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()) {
                 InspectorStyleSheetForInlineStyle* styleSheet = asInspectorStyleSheet(parentElement);
                 if (styleSheet)
                     entry->setInlineStyle(styleSheet->buildObjectForStyle(styleSheet->styleForId(InspectorCSSId(styleSheet->id(), 0))));
             }
 
             entries->addItem(entry.release());
             parentElement = parentElement->parentElement();
@@ skipping 776 matching lines @@
             documentsToChange.add(element->ownerDocument());
     }
 
     m_nodeIdToForcedPseudoState.clear();
     for (HashSet<Document*>::iterator it = documentsToChange.begin(), end = documentsToChange.end(); it != end; ++it)
         (*it)->setNeedsStyleRecalc();
 }
 
 } // namespace WebCore