sync: Refactor CreateRoot() test helper function

chrome/browser/sync/abstract_profile_sync_service_test.h

Index: chrome/browser/sync/abstract_profile_sync_service_test.h
diff --git a/chrome/browser/sync/abstract_profile_sync_service_test.h b/chrome/browser/sync/abstract_profile_sync_service_test.h
index 32f61b0ba32f9065d16282ceedea911baa450705..ef8b64a522b08be3e4c3039fe3bc6aaaf97663c0 100644
--- a/chrome/browser/sync/abstract_profile_sync_service_test.h
+++ b/chrome/browser/sync/abstract_profile_sync_service_test.h
@@ -22,21 +22,11 @@ class ProfileSyncService;
 class TestProfileSyncService;
 
 namespace syncer {
-class TestIdFactory;
-}  // namespace syncer
-
-namespace syncer {
 struct UserShare;
 }  //  namespace syncer
 
 class ProfileSyncServiceTestHelper {
  public:
-  static const std::string GetTagForType(syncer::ModelType model_type);
-
-  static bool CreateRoot(syncer::ModelType model_type,
-                         syncer::UserShare* service,
-                         syncer::TestIdFactory* ids);
-
   static syncer::ImmutableChangeRecordList MakeSingletonChangeRecordList(
       int64 node_id, syncer::ChangeRecord::Action action);