[shill] Back property storage in Service objects with Entry objects

Much of Shill Service state is persisted to disk, by creating an Entry
in a Profile.  We should store this info just once, so that we don't
have to worry about keeping multiple data stores in sync.  This is a
first step in that direction.

BUG=chromium-os:17436
TEST=unit tests

Change-Id: If94db2a38a7d79c56e2c746b2f069cfd7ab4bf65
Reviewed-on: http://gerrit.chromium.org/gerrit/3876
Tested-by: Chris Masone <cmasone@chromium.org>
Reviewed-by: Darin Petkov <petkov@chromium.org>
diff --git a/profile_unittest.cc b/profile_unittest.cc
index d3a03a9..8729d19 100644
--- a/profile_unittest.cc
+++ b/profile_unittest.cc
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "shill/profile.h"
+
 #include <base/string_util.h>
 #include <gtest/gtest.h>
 
-#include "shill/profile.h"
-
 using std::string;
 using testing::Test;