Revert 244381 "Support GU retry command in sync engine. The comm..."

trunk/src/sync/sessions/nudge_tracker.cc

Index: trunk/src/sync/sessions/nudge_tracker.cc
===================================================================
--- trunk/src/sync/sessions/nudge_tracker.cc	(revision 244437)
+++ trunk/src/sync/sessions/nudge_tracker.cc	(working copy)
@@ -44,13 +44,9 @@
   return false;
 }
 
-bool NudgeTracker::IsGetUpdatesRequired(base::TimeTicks now) const {
+bool NudgeTracker::IsGetUpdatesRequired() const {
   if (invalidations_out_of_sync_)
     return true;
-
-  if (IsRetryRequired(now))
-    return true;
-
   for (TypeTrackerMap::const_iterator it = type_trackers_.begin();
        it != type_trackers_.end(); ++it) {
     if (it->second.IsGetUpdatesRequired()) {
@@ -60,17 +56,9 @@
   return false;
 }
 
-bool NudgeTracker::IsRetryRequired(base::TimeTicks now) const {
-  return !next_retry_time_.is_null() && next_retry_time_ < now;
-}
-
-void NudgeTracker::RecordSuccessfulSyncCycle(base::TimeTicks now) {
+void NudgeTracker::RecordSuccessfulSyncCycle() {
   updates_source_ = sync_pb::GetUpdatesCallerInfo::UNKNOWN;
-  last_successful_sync_time_ = now;
 
-  if (next_retry_time_ < now)
-    next_retry_time_ = base::TimeTicks();
-
   // A successful cycle while invalidations are enabled puts us back into sync.
   invalidations_out_of_sync_ = !invalidations_enabled_;