Introduce ActiveSupport::BasicObject which bridges Builder::BlankSlate and Ruby 1.9 BasicObject. Closes #10634 [Frederick Cheung]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@8500 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/prototype_helper.rb

@@ -1065,11 +1065,7 @@ module ActionView
     end
 
     # Converts chained method calls on DOM proxy elements into JavaScript chains 
-    class JavaScriptProxy < BasicObject #:nodoc:
-      if ::RUBY_VERSION >= '1.9'
-        undef_method :==
-        undef_method :equal?
-      end
+    class JavaScriptProxy < ActiveSupport::BasicObject #:nodoc:
 
       def initialize(generator, root = nil)
         @generator = generator

activesupport/lib/active_support/basic_object.rb

@@ -1,5 +1,14 @@
-# Ruby 1.9 introduces BasicObject. Use Builder's BlankSlate until then.
-unless defined? BasicObject
-  require 'blankslate'
-  BasicObject = BlankSlate
+# Ruby 1.9 introduces BasicObject which differs slighly from Builder's BlankSlate
+# that had been used so far ActiveSupport::BasicObject provides a barebones object with
+# the same method on both versions.
+module ActiveSupport
+  if RUBY_VERSION >= '1.9'
+    class BasicObject < ::BasicObject
+      undef_method :==
+      undef_method :equal?
+    end
+  else
+    require 'blankslate'
+    BasicObject = BlankSlate
+  end
 end