merge two onInterest callback into one

Change-Id: I82e8150239d795cb465ea2526624300590e4434c
diff --git a/src/ca-module.hpp b/src/ca-module.hpp
index 1cdd246..7a48aef 100644
--- a/src/ca-module.hpp
+++ b/src/ca-module.hpp
@@ -84,13 +84,7 @@
   onProbe(const Interest& request);
 
   void
-  onRequestInit(const Interest& request, int requestType);
-
-  void
-  onNew(const Interest& request);
-
-  void
-  onRevoke(const Interest& request);
+  onNewRenewRevoke(const InterestFilter& filter, const Interest& request, RequestType requestType);
 
   void
   onChallenge(const Interest& request);