Move remaining non-test, non-Chrome-specific Prefs code to base/prefs/.

chrome/browser/sync/test/integration/preferences_helper.cc

 // Copyright (c) 2011 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/sync/test/integration/preferences_helper.h"
 
+#include "base/prefs/pref_service.h"
 #include "base/values.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sync/profile_sync_service_harness.h"
+#include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
 #include "chrome/browser/sync/test/integration/sync_test.h"
-#include "chrome/browser/sync/test/integration/sync_datatype_helper.h"
 
 using sync_datatype_helper::test;
 
 namespace preferences_helper {
 
 PrefService* GetPrefs(int index) {
   return test()->GetProfile(index)->GetPrefs();
 }
 
 PrefService* GetVerifierPrefs() {
@@ skipping 186 matching lines @@
     if (!reference_value->Equals(GetPrefs(i)->GetList(pref_name))) {
       LOG(ERROR) << "List preference " << pref_name << " mismatched in"
                  << " profile " << i << ".";
       return false;
     }
   }
   return true;
 }
 
 }  // namespace preferences_helper