Move GeolocationClient to the Oilpan heap.

Source/web/GeolocationClientProxy.cpp

Index: Source/web/GeolocationClientProxy.cpp
diff --git a/Source/web/GeolocationClientProxy.cpp b/Source/web/GeolocationClientProxy.cpp
index aef8befdfd473f4e8ffd9d845860f452a6f3c013..93f52e32508a27849dc623a83cf23087d3c6ce55 100644
--- a/Source/web/GeolocationClientProxy.cpp
+++ b/Source/web/GeolocationClientProxy.cpp
@@ -52,12 +52,6 @@ void GeolocationClientProxy::setController(GeolocationController* controller)
     }
 }
 
-void GeolocationClientProxy::geolocationDestroyed()
-{
-    if (m_client)
-        m_client->geolocationDestroyed();
-}
-
 void GeolocationClientProxy::startUpdating()
 {
     m_client->startUpdating();
@@ -94,4 +88,10 @@ void GeolocationClientProxy::cancelPermissionRequest(Geolocation* geolocation)
     m_client->cancelPermissionRequest(WebGeolocationPermissionRequest(geolocation));
 }
 
+void GeolocationClientProxy::trace(Visitor* visitor)
+{
+    visitor->trace(m_lastPosition);
+    GeolocationClient::trace(visitor);
+}
+
 } // namespace blink