face: Implementing Face::getUri() method

Change-Id: I9a9f774b95784e5b7ec75472f1cc6cf64c4e5d7b
Refs: #1319
diff --git a/daemon/face/face.cpp b/daemon/face/face.cpp
index 8e81217..7268ee4 100644
--- a/daemon/face/face.cpp
+++ b/daemon/face/face.cpp
@@ -11,9 +11,10 @@
 
 NFD_LOG_INIT("Face")
 
-Face::Face(bool isLocal)
+Face::Face(const FaceUri& uri, bool isLocal)
   : m_id(INVALID_FACEID)
   , m_isLocal(isLocal)
+  , m_uri(uri)
 {
 }