[Sync] Move sessions files from sync_driver to sync_sessions.

components/sync_driver/sessions/synced_window_delegates_getter.cc

Index: components/sync_driver/sessions/synced_window_delegates_getter.cc
diff --git a/components/sync_driver/sessions/synced_window_delegates_getter.cc b/components/sync_driver/sessions/synced_window_delegates_getter.cc
deleted file mode 100644
index 47f7c25185a08401b8116157cc3f5e83bcb58b28..0000000000000000000000000000000000000000
--- a/components/sync_driver/sessions/synced_window_delegates_getter.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 "components/sync_driver/sessions/synced_window_delegates_getter.h"
-
-namespace browser_sync {
-
-SyncedWindowDelegatesGetter::SyncedWindowDelegatesGetter() {}
-
-SyncedWindowDelegatesGetter::~SyncedWindowDelegatesGetter() {}
-
-}  // namespace browser_sync