sync: GU retry with less explicit TimeTicks logic

sync/engine/syncer.cc

 // Copyright (c) 2012 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 "sync/engine/syncer.h"
 
 #include "base/debug/trace_event.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 43 matching lines @@
   return cancelation_signal_->IsSignalled();
 }
 
 bool Syncer::NormalSyncShare(ModelTypeSet request_types,
                              const NudgeTracker& nudge_tracker,
                              SyncSession* session) {
   HandleCycleBegin(session);
   GetUpdatesProcessor get_updates_processor(
       session->context()->model_type_registry()->update_handler_map());
   VLOG(1) << "Downloading types " << ModelTypeSetToString(request_types);
-  if (nudge_tracker.IsGetUpdatesRequired(base::TimeTicks::Now()) ||
+  if (nudge_tracker.IsGetUpdatesRequired() ||
       session->context()->ShouldFetchUpdatesBeforeCommit()) {
     if (!DownloadAndApplyUpdates(
             request_types,
             session,
             &get_updates_processor,
             base::Bind(&download::BuildNormalDownloadUpdates,
                        session,
                        &get_updates_processor,
                        kCreateMobileBookmarksFolder,
                        request_types,
@@ skipping 157 matching lines @@
     sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) {
   if (!ExitRequested()) {
     session->SendSyncCycleEndEventNotification(source);
     return true;
   } else {
     return false;
   }
 }
 
 }  // namespace syncer