Move GeolocationClient to the Oilpan heap.

Source/web/GeolocationClientProxy.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
@@ skipping 19 matching lines @@
 #include "platform/heap/Handle.h"
 #include "public/web/WebGeolocationController.h"
 
 namespace blink {
 
 class GeolocationPosition;
 class WebGeolocationClient;
 
 class GeolocationClientProxy FINAL : public GeolocationClient {
 public:
-    GeolocationClientProxy(WebGeolocationClient* client);
+    static PassOwnPtrWillBeRawPtr<GeolocationClientProxy> create(WebGeolocationClient* client)
+    {
+        return adoptPtrWillBeNoop(new GeolocationClientProxy(client));
+    }
+
     virtual ~GeolocationClientProxy();
     void setController(GeolocationController*);
-    virtual void geolocationDestroyed() OVERRIDE;
     virtual void startUpdating() OVERRIDE;
     virtual void stopUpdating() OVERRIDE;
     virtual void setEnableHighAccuracy(bool) OVERRIDE;
     virtual GeolocationPosition* lastPosition() OVERRIDE;
 
     virtual void requestPermission(Geolocation*) OVERRIDE;
     virtual void cancelPermissionRequest(Geolocation*) OVERRIDE;
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 private:
+    explicit GeolocationClientProxy(WebGeolocationClient*);
+
     WebGeolocationClient* m_client;
-    Persistent<GeolocationPosition> m_lastPosition;
+    PersistentWillBeMember<GeolocationPosition> m_lastPosition;
 };
 
 } // namespace blink
 
 #endif // GeolocationClientProxy_h