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

trunk/src/sync/engine/sync_scheduler_impl.h

Index: trunk/src/sync/engine/sync_scheduler_impl.h
===================================================================
--- trunk/src/sync/engine/sync_scheduler_impl.h	(revision 244437)
+++ trunk/src/sync/engine/sync_scheduler_impl.h	(working copy)
@@ -89,11 +89,7 @@
   virtual void OnReceivedClientInvalidationHintBufferSize(int size) OVERRIDE;
   virtual void OnSyncProtocolError(
       const sessions::SyncSessionSnapshot& snapshot) OVERRIDE;
-  virtual void OnReceivedGuRetryDelay(const base::TimeDelta& delay) OVERRIDE;
 
-  // Returns true if the client is currently in exponential backoff.
-  bool IsBackingOff() const;
-
  private:
   enum JobPriority {
     // Non-canary jobs respect exponential backoff.
@@ -171,9 +167,6 @@
   // Invoke the Syncer to perform a poll job.
   void DoPollSyncSessionJob();
 
-  // Invoke the Syncer to perform a retry job.
-  void DoRetrySyncSessionJob();
-
   // Helper function to calculate poll interval.
   base::TimeDelta GetPollInterval();
 
@@ -198,6 +191,9 @@
       const base::TimeDelta& delay,
       const tracked_objects::Location& nudge_location);
 
+  // Returns true if the client is currently in exponential backoff.
+  bool IsBackingOff() const;
+
   // Helper to signal all listeners registered with |session_context_|.
   void Notify(SyncEngineEvent::EventCause cause);
 
@@ -234,9 +230,6 @@
   // Creates a session for a poll and performs the sync.
   void PollTimerCallback();
 
-  // Creates a session for a retry and performs the sync.
-  void RetryTimerCallback();
-
   // Returns the set of types that are enabled and not currently throttled.
   ModelTypeSet GetEnabledAndUnthrottledTypes();
 
@@ -343,9 +336,6 @@
   // to be const and alleviate threading concerns.
   base::WeakPtrFactory<SyncSchedulerImpl> weak_ptr_factory_for_weak_handle_;
 
-  // One-shot timer for scheduling GU retry according to delay set by server.
-  base::OneShotTimer<SyncSchedulerImpl> retry_timer_;
-
   DISALLOW_COPY_AND_ASSIGN(SyncSchedulerImpl);
 };