Oilpan: Prepare moving InspectorFrontendHost to Oilpan

Source/core/inspector/InspectorFrontendHost.h

 /*
  * Copyright (C) 2007 Apple 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
@@ skipping 24 matching lines @@
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ContextMenuItem;
 class Event;
 class FrontendMenuProvider;
 class InspectorFrontendClient;
 class Page;
 
-class InspectorFrontendHost : public RefCounted<InspectorFrontendHost>, public ScriptWrappable {
+class InspectorFrontendHost : public RefCountedWillBeGarbageCollectedFinalized<InspectorFrontendHost>, public ScriptWrappable {
 public:
-    static PassRefPtr<InspectorFrontendHost> create(InspectorFrontendClient* client, Page* frontendPage)
+    static PassRefPtrWillBeRawPtr<InspectorFrontendHost> create(InspectorFrontendClient* client, Page* frontendPage)
     {
-        return adoptRef(new InspectorFrontendHost(client, frontendPage));
+        return adoptRefWillBeNoop(new InspectorFrontendHost(client, frontendPage));
     }
 
     ~InspectorFrontendHost();
+    void trace(Visitor*);
     void disconnectClient();
 
     void setZoomFactor(float);
     float zoomFactor();
 
     void setInjectedScriptForOrigin(const String& origin, const String& script);
 
     void copyText(const String& text);
 
     // Called from [Custom] implementations.
     void showContextMenu(Event*, const Vector<ContextMenuItem>& items);
     void showContextMenu(Page*, float x, float y, const Vector<ContextMenuItem>& items);
     void sendMessageToBackend(const String& message);
     void sendMessageToEmbedder(const String& message);
 
     String getSelectionBackgroundColor();
     String getSelectionForegroundColor();
 
     bool isUnderTest();
     bool isHostedMode();
 
     Page* frontendPage() { return m_frontendPage; }
 
 private:
     friend class FrontendMenuProvider;
     InspectorFrontendHost(InspectorFrontendClient* client, Page* frontendPage);
 
     InspectorFrontendClient* m_client;
-    Page* m_frontendPage;
+    RawPtrWillBeMember<Page> m_frontendPage;
     FrontendMenuProvider* m_menuProvider;
 };
 
 } // namespace blink
 
 #endif // !defined(InspectorFrontendHost_h)