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

chrome/browser/sync/sessions/test_util.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/sessions/test_util.h"
 
 namespace browser_sync {
 namespace sessions {
 namespace test_util {
 
@@ skipping 34 matching lines @@
 void SimulateThrottledImpl(sessions::SyncSession* session,
     const base::TimeDelta& delta) {
   session->delegate()->OnSilencedUntil(base::TimeTicks::Now() + delta);
 }
 
 void SimulatePollIntervalUpdateImpl(sessions::SyncSession* session,
     const base::TimeDelta& new_poll) {
   session->delegate()->OnReceivedLongPollIntervalUpdate(new_poll);
 }
 
+void SimulateSessionsCommitDelayUpdateImpl(sessions::SyncSession* session,
+    const base::TimeDelta& new_delay) {
+  session->delegate()->OnReceivedSessionsCommitDelay(new_delay);
+}
+
 }  // namespace test_util
 }  // namespace sessions
 }  // namespace browser_sync