[Sync] Add client-side plumbing for server control of sessions commit delay

chrome/browser/sync/sessions/test_util.h

 // 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.
 //
 // Utils to simulate various outcomes of a sync session.
 #ifndef CHROME_BROWSER_SYNC_SESSIONS_TEST_UTIL_H_
 #define CHROME_BROWSER_SYNC_SESSIONS_TEST_UTIL_H_
 #pragma once
 
 #include "chrome/browser/sync/engine/syncer.h"
@@ skipping 10 matching lines @@
 void SimulateDownloadUpdatesFailed(sessions::SyncSession* session,
                                    SyncerStep begin, SyncerStep end);
 void SimulateCommitFailed(sessions::SyncSession* session,
                           SyncerStep begin, SyncerStep end);
 void SimulateSuccess(sessions::SyncSession* session,
                      SyncerStep begin, SyncerStep end);
 void SimulateThrottledImpl(sessions::SyncSession* session,
     const base::TimeDelta& delta);
 void SimulatePollIntervalUpdateImpl(sessions::SyncSession* session,
     const base::TimeDelta& new_poll);
+void SimulateSessionsCommitDelayUpdateImpl(sessions::SyncSession* session,
+    const base::TimeDelta& new_delay);
 
 ACTION_P(SimulateThrottled, throttle) {
   SimulateThrottledImpl(arg0, throttle);
 }
 
 ACTION_P(SimulatePollIntervalUpdate, poll) {
   SimulatePollIntervalUpdateImpl(arg0, poll);
 }
 
+ACTION_P(SimulateSessionsCommitDelayUpdate, poll) {
+  SimulateSessionsCommitDelayUpdateImpl(arg0, poll);
+}
+
 }  // namespace test_util
 }  // namespace sessions
 }  // namespace browser_sync
 
 #endif  // CHROME_BROWSER_SYNC_SESSIONS_TEST_UTIL_H_