lib/active_remote/dirty.rb in active_remote-1.8.1 vs lib/active_remote/dirty.rb in active_remote-2.0.0.rc1

@@ -2,15 +2,15 @@
 
 # Overrides persistence methods, providing support for dirty tracking.
 #
 module ActiveRemote
   module Dirty
-    def self.included(klass)
-      klass.class_eval do
-        include ActiveModel::Dirty
+    extend ActiveSupport::Concern
 
-        attr_accessor :_active_remote_track_changes
-      end
+    included do
+      include ActiveModel::Dirty
+
+      attr_accessor :_active_remote_track_changes
     end
 
     def disable_dirty_tracking
       @_active_remote_track_changes = false
     end