Sync: fix for the code that checks whether the initial download has completed

sync/engine/directory_update_handler.h

 // Copyright 2014 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.
 
 #ifndef SYNC_ENGINE_DIRECTORY_UPDATE_HANDLER_H_
 #define SYNC_ENGINE_DIRECTORY_UPDATE_HANDLER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
@@ skipping 50 matching lines @@
   void ApplyUpdates(sessions::StatusController* status) override;
   void PassiveApplyUpdates(sessions::StatusController* status) override;
 
  private:
   friend class DirectoryUpdateHandlerApplyUpdateTest;
   friend class DirectoryUpdateHandlerProcessUpdateTest;
 
   // Sometimes there is nothing to do, so we can return without doing anything.
   bool IsApplyUpdatesRequired();
 
+  // Called at the end of ApplyUpdates and PassiveApplyUpdates and performs
+  // steps common to both (even when IsApplyUpdatesRequired has returned
+  // false).
+  void PostApplyUpdates();
+
   // Processes the given SyncEntities and stores their data in the directory.
   // Their types must match this update handler's type.
   void UpdateSyncEntities(
       syncable::ModelNeutralWriteTransaction* trans,
       const SyncEntityList& applicable_updates,
       sessions::StatusController* status);
 
   // Expires entries according to GC directives.
   void ExpireEntriesIfNeeded(
       syncable::ModelNeutralWriteTransaction* trans,
@@ skipping 19 matching lines @@
   DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
 
   scoped_ptr<sync_pb::GarbageCollectionDirective> cached_gc_directive_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryUpdateHandler);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_ENGINE_DIRECTORY_UPDATE_HANDLER_H_