cros: Add enterprise user session metrics

chrome/browser/chromeos/login/signin_specifics.cc

Index: chrome/browser/chromeos/login/signin_specifics.cc
diff --git a/chrome/browser/chromeos/login/signin_specifics.cc b/chrome/browser/chromeos/login/signin_specifics.cc
deleted file mode 100644
index c9816811724be6dfc5ad584056aaf907bcc38157..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/login/signin_specifics.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2014 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 "chrome/browser/chromeos/login/signin_specifics.h"
-
-namespace chromeos {
-
-SigninSpecifics::SigninSpecifics()
-    : guest_mode_url_append_locale(false), kiosk_diagnostic_mode(false) {
-}
-
-}  // namespace chromeos