Tried using CrossThreadPersistent for workerDebuggerAgents

Source/core/inspector/InspectorCSSAgent.h

 /*
  * 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 79 matching lines @@
         {
             m_contentSecurityPolicy->setOverrideAllowInlineStyle(false);
         }
 
     private:
         ContentSecurityPolicy* m_contentSecurityPolicy;
     };
 
     static CSSStyleRule* asCSSStyleRule(CSSRule*);
 
-    static PassOwnPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
+    static PassOwnPtrWillBeRawPtr<InspectorCSSAgent> create(InspectorDOMAgent* domAgent, InspectorPageAgent* pageAgent, InspectorResourceAgent* resourceAgent)
     {
-        return adoptPtr(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent));
+        return adoptPtrWillBeNoop(new InspectorCSSAgent(domAgent, pageAgent, resourceAgent));
     }
     virtual ~InspectorCSSAgent();
+    virtual void trace(Visitor*) OVERRIDE;
 
     bool forcePseudoState(Element*, CSSSelector::PseudoType);
     virtual void setFrontend(InspectorFrontend*) OVERRIDE;
     virtual void clearFrontend() OVERRIDE;
     virtual void discardAgent() OVERRIDE;
     virtual void didCommitLoadForMainFrame() OVERRIDE;
     virtual void restore() OVERRIDE;
     virtual void flushPendingFrontendMessages() OVERRIDE;
     virtual void enable(ErrorString*, PassRefPtr<EnableCallback>) OVERRIDE;
     virtual void disable(ErrorString*) OVERRIDE;
@@ skipping 26 matching lines @@
 private:
     class StyleSheetAction;
     class SetStyleSheetTextAction;
     class SetPropertyTextAction;
     class SetRuleSelectorAction;
     class AddRuleAction;
     class EnableResourceClient;
 
     InspectorCSSAgent(InspectorDOMAgent*, InspectorPageAgent*, InspectorResourceAgent*);
 
-    typedef HashMap<String, RefPtr<InspectorStyleSheet> > IdToInspectorStyleSheet;
-    typedef HashMap<String, RefPtr<InspectorStyleSheetForInlineStyle> > IdToInspectorStyleSheetForInlineStyle;
-    typedef HashMap<Node*, RefPtr<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
+    typedef WillBeHeapHashMap<String, RefPtrWillBeMember<InspectorStyleSheet> > IdToInspectorStyleSheet;
+    typedef WillBeHeapHashMap<String, RefPtrWillBeMember<InspectorStyleSheetForInlineStyle> > IdToInspectorStyleSheetForInlineStyle;
+    typedef WillBeHeapHashMap<Node*, RefPtrWillBeMember<InspectorStyleSheetForInlineStyle> > NodeToInspectorStyleSheet; // bogus "stylesheets" with elements' inline styles
     typedef HashMap<int, unsigned> NodeIdToForcedPseudoState;
 
     void wasEnabled(PassRefPtr<EnableCallback>);
     void resetNonPersistentData();
     InspectorStyleSheetForInlineStyle* asInspectorStyleSheet(Element* element);
     Element* elementForId(ErrorString*, int nodeId);
     void collectAllStyleSheets(Vector<InspectorStyleSheet*>&);
     void collectAllDocumentStyleSheets(Document*, Vector<CSSStyleSheet*>&);
     void collectStyleSheets(CSSStyleSheet*, Vector<CSSStyleSheet*>&);
 
@@ skipping 21 matching lines @@
     virtual void didModifyDOMAttr(Element*) OVERRIDE;
 
     // InspectorStyleSheet::Listener implementation
     virtual void styleSheetChanged(InspectorStyleSheetBase*) OVERRIDE;
     virtual void willReparseStyleSheet() OVERRIDE;
     virtual void didReparseStyleSheet() OVERRIDE;
 
     void resetPseudoStates();
 
     InspectorFrontend::CSS* m_frontend;
-    InspectorDOMAgent* m_domAgent;
-    InspectorPageAgent* m_pageAgent;
-    InspectorResourceAgent* m_resourceAgent;
+    RawPtrWillBeMember<InspectorDOMAgent> m_domAgent;
+    RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;
+    RawPtrWillBeMember<InspectorResourceAgent> m_resourceAgent;
 
     IdToInspectorStyleSheet m_idToInspectorStyleSheet;
     IdToInspectorStyleSheetForInlineStyle m_idToInspectorStyleSheetForInlineStyle;
-    HashMap<CSSStyleSheet*, RefPtr<InspectorStyleSheet> > m_cssStyleSheetToInspectorStyleSheet;
+    WillBeHeapHashMap<CSSStyleSheet*, RefPtrWillBeMember<InspectorStyleSheet> > m_cssStyleSheetToInspectorStyleSheet;
     typedef HashMap<Document*, OwnPtr<HashSet<CSSStyleSheet*> > > DocumentStyleSheets;
     DocumentStyleSheets m_documentToCSSStyleSheets;
     HashSet<Document*> m_invalidatedDocuments;
 
     NodeToInspectorStyleSheet m_nodeToInspectorStyleSheet;
-    HashMap<RefPtr<Document>, RefPtr<InspectorStyleSheet> > m_documentToViaInspectorStyleSheet; // "via inspector" stylesheets
+    HashMap<RefPtr<Document>, RefPtrWillBeMember<InspectorStyleSheet> > m_documentToViaInspectorStyleSheet; // "via inspector" stylesheets
     NodeIdToForcedPseudoState m_nodeIdToForcedPseudoState;
 
-    RefPtrWillBePersistent<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
+    RefPtrWillBeMember<CSSStyleSheet> m_inspectorUserAgentStyleSheet;
 
     int m_lastStyleSheetId;
     int m_styleSheetsPendingMutation;
     bool m_styleDeclarationPendingMutation;
     bool m_creatingViaInspectorStyleSheet;
     bool m_isSettingStyleSheetText;
 
     friend class EnableResourceClient;
     friend class StyleSheetBinder;
 };
 
 
 } // namespace WebCore
 
 #endif // !defined(InspectorCSSAgent_h)