shill: Connect Ethernet Device to DHCPConfig.

Most of the implementation is in the base Device class.

BUG=chromium-os:16794
TEST=unit test

Change-Id: I583761f7e54c88b043ce4343cb43f8298aaedf8b
Reviewed-on: http://gerrit.chromium.org/gerrit/2949
Reviewed-by: Darin Petkov <petkov@chromium.org>
Tested-by: Darin Petkov <petkov@chromium.org>
diff --git a/ethernet_service.cc b/ethernet_service.cc
index 44a7080..b3e31f7 100644
--- a/ethernet_service.cc
+++ b/ethernet_service.cc
@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "shill/ethernet_service.h"
+
 #include <time.h>
 #include <stdio.h>
 #include <netinet/ether.h>
@@ -14,21 +16,21 @@
 #include "shill/control_interface.h"
 #include "shill/device.h"
 #include "shill/device_info.h"
+#include "shill/ethernet.h"
 #include "shill/manager.h"
 #include "shill/shill_event.h"
 
-#include "shill/ethernet.h"
-#include "shill/ethernet_service.h"
-
 using std::string;
 
 namespace shill {
+
 EthernetService::EthernetService(ControlInterface *control_interface,
                                  EventDispatcher *dispatcher,
                                  Ethernet *device,
-                                 const std::string& name)
+                                 const string &name)
     : Service(control_interface, dispatcher, device, name),
       ethernet_(device) {
+  set_auto_connect(true);
 }
 
 EthernetService::~EthernetService() { }