Make old caching tests pass on new base.

actionpack/lib/action_controller/new_base/compatibility.rb

@@ -55,6 +55,10 @@ module Rails2Compatibility
       self.consider_all_requests_local = true
     end
     
+    # For old tests
+    def initialize_template_class(*) end
+    def assign_shortcuts(*) end
+
     module ClassMethods
       def protect_from_forgery() end
       def consider_all_requests_local() end

actionpack/lib/action_controller/new_base/http.rb

@@ -60,7 +60,6 @@ def self.action(name)
     
     # :api: private
     def to_rack
-      @_response.body = response_body
       @_response.prepare!
       @_response.to_a
     end

actionpack/lib/action_controller/new_base/url_for.rb

 module ActionController
   module UrlFor
+    def process_action(*)
+      initialize_current_url
+      super
+    end
+
     def initialize_current_url
       @url = UrlRewriter.new(request, params.clone)
     end