BlankSlate -> BasicObject

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@7772 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/prototype_helper.rb

@@ -785,7 +785,7 @@ def build_callbacks(options)
     end
 
     # Converts chained method calls on DOM proxy elements into JavaScript chains 
-    class JavaScriptProxy < Builder::BlankSlate #:nodoc:
+    class JavaScriptProxy < BasicObject #:nodoc:
       def initialize(generator, root = nil)
         @generator = generator
         @generator << root if root