Oilpan: Prepare moving InspectorFrontendHost to Oilpan

Source/web/InspectorFrontendClientImpl.h

Index: Source/web/InspectorFrontendClientImpl.h
diff --git a/Source/web/InspectorFrontendClientImpl.h b/Source/web/InspectorFrontendClientImpl.h
index 4e927b182892fbbf901deef297894279c8736dc8..5e99a4326a66a5f80424e569012d84544ca8745d 100644
--- a/Source/web/InspectorFrontendClientImpl.h
+++ b/Source/web/InspectorFrontendClientImpl.h
@@ -49,6 +49,7 @@ class InspectorFrontendClientImpl FINAL : public blink::InspectorFrontendClient
 public:
     InspectorFrontendClientImpl(blink::Page*, WebDevToolsFrontendClient*, WebDevToolsFrontendImpl*);
     virtual ~InspectorFrontendClientImpl();
+    virtual void trace(Visitor*) OVERRIDE;
 
     // InspectorFrontendClient methods:
     virtual void windowObjectCleared() OVERRIDE;
@@ -59,10 +60,12 @@ public:
 
     virtual bool isUnderTest() OVERRIDE;
 
+    virtual void dispose() OVERRIDE;
+
 private:
-    blink::Page* m_frontendPage;
+    RawPtrWillBeMember<blink::Page> m_frontendPage;
     WebDevToolsFrontendClient* m_client;
-    RefPtr<blink::InspectorFrontendHost> m_frontendHost;
+    RefPtrWillBeMember<blink::InspectorFrontendHost> m_frontendHost;
 };
 
 } // namespace blink