1 files changed, 13 insertions, 9 deletions
diff --git a/actionpack/lib/action_controller/metal/renderers.rb b/actionpack/lib/action_controller/metal/renderers.rb
index 02c4e563f5..45d3962494 100644
--- a/actionpack/lib/action_controller/metal/renderers.rb
+++ b/actionpack/lib/action_controller/metal/renderers.rb
@@ -34,14 +34,15 @@ module ActionController
     end
 
     def render_to_body(options)
-      _handle_render_options(options) || super
+      _render_to_body_with_renderer(options) || super
     end
 
-    def _handle_render_options(options)
+    def _render_to_body_with_renderer(options)
       _renderers.each do |name|
         if options.key?(name)
           _process_options(options)
-          return send("_render_option_#{name}", options.delete(name), options)
+          method_name = Renderers._render_with_renderer_method_name(name)
+          return send(method_name, options.delete(name), options)
         end
       end
       nil
@@ -51,6 +52,10 @@ module ActionController
     # Default values are <tt>:json</tt>, <tt>:js</tt>, <tt>:xml</tt>.
     RENDERERS = Set.new
 
+    def self._render_with_renderer_method_name(key)
+      "_render_with_renderer_#{key}"
+    end
+
     # Adds a new renderer to call within controller actions.
     # A renderer is invoked by passing its name as an option to
     # <tt>AbstractController::Rendering#render</tt>. To create a renderer
@@ -81,10 +86,9 @@ module ActionController
     #     end
     #   end
     # To use renderers and their mime types in more concise ways, see
-    # <tt>ActionController::MimeResponds::ClassMethods.respond_to</tt> and
-    # <tt>ActionController::MimeResponds#respond_with</tt>
+    # <tt>ActionController::MimeResponds::ClassMethods.respond_to</tt>
     def self.add(key, &block)
-      define_method("_render_option_#{key}", &block)
+      define_method(_render_with_renderer_method_name(key), &block)
       RENDERERS << key.to_sym
     end
 
@@ -95,8 +99,8 @@ module ActionController
     #   ActionController::Renderers.remove(:csv)
     def self.remove(key)
       RENDERERS.delete(key.to_sym)
-      method = "_render_option_#{key}"
-      remove_method(method) if method_defined?(method)
+      method_name = _render_with_renderer_method_name(key)
+      remove_method(method_name) if method_defined?(method_name)
     end
 
     module All
@@ -112,7 +116,7 @@ module ActionController
       json = json.to_json(options) unless json.kind_of?(String)
 
       if options[:callback].present?
-        if self.content_type.nil? || self.content_type == Mime::JSON
+        if content_type.nil? || content_type == Mime::JSON
           self.content_type = Mime::JS
         end