Send configuration stats together at the end of data type configuration so that

sync/internal_api/debug_info_event_listener.h

Index: sync/internal_api/debug_info_event_listener.h
diff --git a/sync/internal_api/debug_info_event_listener.h b/sync/internal_api/debug_info_event_listener.h
index 022fafb91fdf61da8a0dc78ca437493f26af7c68..c3aa9d0929a898e65fbbca68a1f0acb333a4e2ea 100644
--- a/sync/internal_api/debug_info_event_listener.h
+++ b/sync/internal_api/debug_info_event_listener.h
@@ -77,9 +77,9 @@ class SYNC_EXPORT_PRIVATE DebugInfoEventListener
   virtual void GetAndClearDebugInfo(sync_pb::DebugInfo* debug_info) OVERRIDE;
 
   // DataTypeDebugInfoListener implementation.
-  virtual void OnSingleDataTypeConfigureComplete(
-      const DataTypeConfigurationStats& configuration_stats) OVERRIDE;
-  virtual void OnConfigureComplete() OVERRIDE;
+  virtual void OnDataTypeConfigureComplete(
+      const std::vector<DataTypeConfigurationStats>& configuration_stats)
+      OVERRIDE;
 
   // Returns a weak pointer to this object.
   base::WeakPtr<DataTypeDebugInfoListener> GetWeakPtr();