Hook up ProximityAuthSystem in EasyUnlockService.

components/proximity_auth/fake_connection.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/proximity_auth/fake_connection.h"
 
 #include "components/proximity_auth/wire_message.h"
 
 namespace proximity_auth {
 
 FakeConnection::FakeConnection(const RemoteDevice& remote_device)
-    : Connection(RemoteDevice()) {
+    : Connection(remote_device) {
   Connect();
 }
 
 FakeConnection::~FakeConnection() {
   Disconnect();
 }
 
 void FakeConnection::Connect() {
   SetStatus(CONNECTED);
 }
@@ skipping 21 matching lines @@
   current_message_ = message.Pass();
 }
 
 scoped_ptr<WireMessage> FakeConnection::DeserializeWireMessage(
     bool* is_incomplete_message) {
   *is_incomplete_message = false;
   return make_scoped_ptr(new WireMessage(pending_payload_));
 }
 
 }  // namespace proximity_auth