Reinstate dom_id in controllers.

[#3040 state:committed]
Signed-off-by: NSantiago Pastorino <santiago@wyeworks.com>
Signed-off-by: NJeremy Kemper <jeremy@bitsweat.net>

actionpack/lib/action_controller/base.rb

@@ -29,6 +29,7 @@ class Base < Metal
     include ActionController::Verification
     include ActionController::RequestForgeryProtection
     include ActionController::Streaming
+    include ActionController::RecordIdentifier
     include ActionController::HttpAuthentication::Basic::ControllerMethods
     include ActionController::HttpAuthentication::Digest::ControllerMethods
 

actionpack/test/controller/base_test.rb

@@ -76,6 +76,9 @@ def url_options
   end
 end
 
+class RecordIdentifierController < ActionController::Base
+end
+
 class ControllerClassTests < ActiveSupport::TestCase
   def test_controller_path
     assert_equal 'empty', EmptyController.controller_path
@@ -102,6 +105,11 @@ def test_filter_parameter_logging
 
     assert_equal [:password], parameters
   end
+
+  def test_record_identifier
+    assert_respond_to RecordIdentifierController.new, :dom_id
+    assert_respond_to RecordIdentifierController.new, :dom_class
+  end
 end
 
 class ControllerInstanceTests < Test::Unit::TestCase