table: change ContentStore lookup API to allow async implementations

refs: #2411

Change-Id: Ifbb4179c34cf10a7913f8113a2f9238476d8eafa
diff --git a/daemon/fw/forwarder.hpp b/daemon/fw/forwarder.hpp
index a753f15..aa5d19d 100644
--- a/daemon/fw/forwarder.hpp
+++ b/daemon/fw/forwarder.hpp
@@ -110,6 +110,17 @@
   VIRTUAL_WITH_TESTS void
   onIncomingInterest(Face& inFace, const Interest& interest);
 
+  /** \brief Content Store miss pipeline
+  */
+  void
+  onContentStoreMiss(const Face& inFace, shared_ptr<pit::Entry> pitEntry, const Interest& interest);
+
+  /** \brief Content Store hit pipeline
+  */
+  void
+  onContentStoreHit(const Face& inFace, shared_ptr<pit::Entry> pitEntry,
+                    const Interest& interest, const Data& data);
+
   /** \brief Interest loop pipeline
    */
   VIRTUAL_WITH_TESTS void