Oilpan: have GeolocationInspectorAgent persistently track its controllers.

Source/modules/geolocation/testing/GeolocationClientMock.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 56 matching lines @@
 
 private:
     void asyncUpdateController();
     void controllerTimerFired(Timer<GeolocationClientMock>*);
 
     void asyncUpdatePermission();
     void permissionTimerFired(Timer<GeolocationClientMock>*);
 
     void clearError();
 
-    HashSet<GeolocationController*> m_controllers;
+    typedef WillBeHeapHashSet<RawPtrWillBeMember<GeolocationController> > GeolocationControllers;
+    WillBePersistentHeapHashSet<RawPtrWillBeMember<GeolocationController> > m_controllers;
     Persistent<GeolocationPosition> m_lastPosition;
     bool m_hasError;
     String m_errorMessage;
     Timer<GeolocationClientMock> m_controllerTimer;
     Timer<GeolocationClientMock> m_permissionTimer;
     bool m_isActive;
 
     enum PermissionState {
         PermissionStateUnset,
         PermissionStateAllowed,
         PermissionStateDenied
     };
 
     PermissionState m_permissionState;
-    typedef PersistentHeapHashSet<Member<Geolocation> > GeolocationSet;
-    GeolocationSet m_pendingPermissions;
+    typedef HeapHashSet<Member<Geolocation> > GeolocationSet;
+    PersistentHeapHashSet<Member<Geolocation> > m_pendingPermissions;
 };
 
 }
 
 #endif