Move CSSRuleList to the garbage collected heap

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 6eb982980782b86fd8c67b081a7cd12d87fb8ac4..ae9418a15a0a7335583068b20701750f93e56d5c 100644
--- a/Source/core/inspector/InspectorCSSAgent.cpp
+++ b/Source/core/inspector/InspectorCSSAgent.cpp
@@ -683,14 +683,14 @@ void InspectorCSSAgent::getMatchedStylesForNode(ErrorString* errorString, int no
     // Matched rules.
     StyleResolver& styleResolver = ownerDocument->ensureStyleResolver();
 
-    RefPtr<CSSRuleList> matchedRules = styleResolver.pseudoCSSRulesForElement(element, elementPseudoId, StyleResolver::AllCSSRules);
+    RefPtrWillBeRawPtr<CSSRuleList> matchedRules = styleResolver.pseudoCSSRulesForElement(element, elementPseudoId, StyleResolver::AllCSSRules);
     matchedCSSRules = buildArrayForMatchedRuleList(matchedRules.get(), 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.pseudoCSSRulesForElement(element, pseudoId, StyleResolver::AllCSSRules);
+            RefPtrWillBeRawPtr<CSSRuleList> matchedRules = styleResolver.pseudoCSSRulesForElement(element, pseudoId, StyleResolver::AllCSSRules);
             if (matchedRules && matchedRules->length()) {
                 RefPtr<TypeBuilder::CSS::PseudoIdMatches> matches = TypeBuilder::CSS::PseudoIdMatches::create()
                     .setPseudoId(static_cast<int>(pseudoId))
@@ -708,7 +708,7 @@ void InspectorCSSAgent::getMatchedStylesForNode(ErrorString* errorString, int no
         Element* parentElement = element->parentElement();
         while (parentElement) {
             StyleResolver& parentStyleResolver = parentElement->ownerDocument()->ensureStyleResolver();
-            RefPtr<CSSRuleList> parentMatchedRules = parentStyleResolver.cssRulesForElement(parentElement, StyleResolver::AllCSSRules);
+            RefPtrWillBeRawPtr<CSSRuleList> parentMatchedRules = parentStyleResolver.cssRulesForElement(parentElement, StyleResolver::AllCSSRules);
             RefPtr<TypeBuilder::CSS::InheritedStyleEntry> entry = TypeBuilder::CSS::InheritedStyleEntry::create()
                 .setMatchedCSSRules(buildArrayForMatchedRuleList(parentMatchedRules.get(), parentElement));
             if (parentElement->style() && parentElement->style()->length()) {
@@ -1084,8 +1084,8 @@ void InspectorCSSAgent::collectAllStyleSheets(Vector<InspectorStyleSheet*>& resu
 
 void InspectorCSSAgent::collectAllDocumentStyleSheets(Document* document, Vector<CSSStyleSheet*>& result)
 {
-    const Vector<RefPtr<StyleSheet> > activeStyleSheets = document->styleEngine()->activeStyleSheetsForInspector();
-    for (Vector<RefPtr<StyleSheet> >::const_iterator it = activeStyleSheets.begin(); it != activeStyleSheets.end(); ++it) {
+    const WillBeHeapVector<RefPtrWillBeMember<StyleSheet> > activeStyleSheets = document->styleEngine()->activeStyleSheetsForInspector();
+    for (WillBeHeapVector<RefPtrWillBeMember<StyleSheet> >::const_iterator it = activeStyleSheets.begin(); it != activeStyleSheets.end(); ++it) {
         StyleSheet* styleSheet = (*it).get();
         if (styleSheet->isCSSStyleSheet())
             collectStyleSheets(toCSSStyleSheet(styleSheet), result);