Revert 222154 "sync: Gracefully handle very early shutdown"

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 222204)
+++ trunk/src/sync/engine/sync_scheduler_impl.h	(working copy)
@@ -54,7 +54,7 @@
   virtual void Start(Mode mode) OVERRIDE;
   virtual bool ScheduleConfiguration(
       const ConfigurationParams& params) OVERRIDE;
-  virtual void Stop() OVERRIDE;
+  virtual void RequestStop() OVERRIDE;
   virtual void ScheduleLocalNudge(
       const base::TimeDelta& desired_delay,
       ModelTypeSet types,
@@ -181,6 +181,9 @@
   // Determines if we're allowed to contact the server right now.
   bool CanRunNudgeJobNow(JobPriority priority);
 
+  // 'Impl' here refers to real implementation of public functions.
+  void StopImpl();
+
   // If the scheduler's current state supports it, this will create a job based
   // on the passed in parameters and coalesce it with any other pending jobs,
   // then post a delayed task to run it.  It may also choose to drop the job or