mgmt: FaceManager no longer owns FaceSystem

refs #3904

Change-Id: I2ef6fd36a51493eea27d8eb0e1c7dc022766f948
diff --git a/daemon/mgmt/face-manager.cpp b/daemon/mgmt/face-manager.cpp
index a2bfc3c..4d1929d 100644
--- a/daemon/mgmt/face-manager.cpp
+++ b/daemon/mgmt/face-manager.cpp
@@ -35,10 +35,11 @@
 
 NFD_LOG_INIT("FaceManager");
 
-FaceManager::FaceManager(FaceTable& faceTable, Dispatcher& dispatcher, CommandAuthenticator& authenticator)
+FaceManager::FaceManager(FaceSystem& faceSystem,
+                         Dispatcher& dispatcher, CommandAuthenticator& authenticator)
   : NfdManagerBase(dispatcher, authenticator, "faces")
-  , m_faceSystem(faceTable)
-  , m_faceTable(faceTable)
+  , m_faceSystem(faceSystem)
+  , m_faceTable(faceSystem.getFaceTable())
 {
   registerCommandHandler<ndn::nfd::FaceCreateCommand>("create",
     bind(&FaceManager::createFace, this, _2, _3, _4, _5));
diff --git a/daemon/mgmt/face-manager.hpp b/daemon/mgmt/face-manager.hpp
index 3c92e93..9a8c503 100644
--- a/daemon/mgmt/face-manager.hpp
+++ b/daemon/mgmt/face-manager.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2016,  Regents of the University of California,
+ * Copyright (c) 2014-2017,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -41,9 +41,8 @@
 class FaceManager : public NfdManagerBase
 {
 public:
-  FaceManager(FaceTable& faceTable,
-              Dispatcher& dispatcher,
-              CommandAuthenticator& authenticator);
+  FaceManager(FaceSystem& faceSystem,
+              Dispatcher& dispatcher, CommandAuthenticator& authenticator);
 
   /**
    * @brief Subscribe to face_system section for the config file
@@ -141,7 +140,7 @@
   connectFaceStateChangeSignal(const Face& face);
 
 PUBLIC_WITH_TESTS_ELSE_PRIVATE:
-  FaceSystem m_faceSystem; ///\todo #3904 accept FaceSystem& in constructor; don't own FaceSystem
+  FaceSystem& m_faceSystem;
   FaceTable& m_faceTable;
   std::map<FaceId, signal::ScopedConnection> m_faceStateChangeConn;