[Sync] Move //components/sync_driver to //components/sync/driver.

components/sync_driver/sync_service_observer.cc

Index: components/sync_driver/sync_service_observer.cc
diff --git a/components/sync_driver/sync_service_observer.cc b/components/sync_driver/sync_service_observer.cc
deleted file mode 100644
index 00a04ad720bc63824aa6f75f1ae2be536a4f9d2d..0000000000000000000000000000000000000000
--- a/components/sync_driver/sync_service_observer.cc
+++ /dev/null
@@ -1,13 +0,0 @@
-// Copyright 2013 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 "components/sync_driver/sync_service_observer.h"
-
-namespace sync_driver {
-
-void SyncServiceObserver::OnSyncCycleCompleted() {
-  OnStateChanged();
-}
-
-}  // namespace sync_driver