src: Global renaming ContentObject -> Data
diff --git a/utils/tracers/ndn-cs-tracer.cc b/utils/tracers/ndn-cs-tracer.cc
index 10b7448..bf7df69 100644
--- a/utils/tracers/ndn-cs-tracer.cc
+++ b/utils/tracers/ndn-cs-tracer.cc
@@ -276,7 +276,7 @@
 }
 
 void 
-CsTracer::CacheHits (Ptr<const Interest>, Ptr<const ContentObject>)
+CsTracer::CacheHits (Ptr<const Interest>, Ptr<const Data>)
 {
   m_stats.m_cacheHits ++;
 }