1 files changed, 24 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/deprecation/instance_delegator.rb b/activesupport/lib/active_support/deprecation/instance_delegator.rb
new file mode 100644
index 0000000000..ff240cb887
--- /dev/null
+++ b/activesupport/lib/active_support/deprecation/instance_delegator.rb
@@ -0,0 +1,24 @@
+require 'active_support/core_ext/kernel/singleton_class'
+require 'active_support/core_ext/module/delegation'
+
+module ActiveSupport
+  class Deprecation
+    module InstanceDelegator
+      def self.included(base)
+        base.extend(ClassMethods)
+        base.public_class_method :new
+      end
+
+      module ClassMethods
+        def include(included_module)
+          included_module.instance_methods.each { |m| method_added(m) }
+          super
+        end
+
+        def method_added(method_name)
+          singleton_class.delegate(method_name, to: :instance)
+        end
+      end
+    end
+  end
+end
+\ No newline at end of file