Oilpan: Prepare moving InspectorController and InspectorAgents to oilpan.

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 377 matching lines @@
     ASSERT(m_frontend);
     ErrorString error;
     disable(&error);
     m_frontend = 0;
     resetNonPersistentData();
 }
 
 void InspectorCSSAgent::discardAgent()
 {
     m_domAgent->setDOMListener(0);
-    m_domAgent = 0;
+    m_domAgent = nullptr;
 }
 
 void InspectorCSSAgent::restore()
 {
     if (m_state->getBoolean(CSSAgentState::cssAgentEnabled))
         wasEnabled(nullptr);
 }
 
 void InspectorCSSAgent::flushPendingFrontendMessages()
 {
@@ skipping 161 matching lines @@
             removedSheets.remove(cssStyleSheet);
             if (isInitialFrontendLoad)
                 addedSheets.add(cssStyleSheet);
         } else {
             addedSheets.add(cssStyleSheet);
         }
     }
 
     for (HashSet<CSSStyleSheet*>::iterator it = removedSheets.begin(); it != removedSheets.end(); ++it) {
         CSSStyleSheet* cssStyleSheet = *it;
-        RefPtr<InspectorStyleSheet> inspectorStyleSheet = m_cssStyleSheetToInspectorStyleSheet.get(cssStyleSheet);
+        RefPtrWillBeRawPtr<InspectorStyleSheet> inspectorStyleSheet = m_cssStyleSheetToInspectorStyleSheet.get(cssStyleSheet);
         ASSERT(inspectorStyleSheet);
 
         documentCSSStyleSheets->remove(cssStyleSheet);
         if (m_idToInspectorStyleSheet.contains(inspectorStyleSheet->id())) {
             String id = unbindStyleSheet(inspectorStyleSheet.get());
             if (m_frontend && !isInitialFrontendLoad)
                 m_frontend->styleSheetRemoved(id);
         }
     }
 
@@ skipping 854 matching lines @@
         Element* element = toElement(m_domAgent->nodeForId(it->key));
         if (element && element->ownerDocument())
             documentsToChange.add(element->ownerDocument());
     }
 
     m_nodeIdToForcedPseudoState.clear();
     for (HashSet<Document*>::iterator it = documentsToChange.begin(), end = documentsToChange.end(); it != end; ++it)
         (*it)->setNeedsStyleRecalc(SubtreeStyleChange);
 }
 
+void InspectorCSSAgent::trace(Visitor* visitor)
+{
+    visitor->trace(m_domAgent);
+    visitor->trace(m_pageAgent);
+    visitor->trace(m_resourceAgent);
+    visitor->trace(m_documentToViaInspectorStyleSheet);
+    visitor->trace(m_inspectorUserAgentStyleSheet);
+    InspectorBaseAgent::trace(visitor);
+}
+
 } // namespace WebCore