Add a shared entry point for AV and AC render which can be used as extension in the future.

actionpack/lib/abstract_controller/rendering.rb

@@ -132,11 +132,7 @@ def render_to_body(options = {})
     # Find and renders a template based on the options given.
     # :api: private
     def _render_template(options) #:nodoc:
-      if options.key?(:partial)
-        view_renderer.render_partial(view_context, options)
-      else
-        view_renderer.render_template(view_context, options)
-      end
+      view_renderer.render(view_context, options)
     end
 
     # The prefixes used in render "foo" shortcuts.

actionpack/lib/action_view/helpers/rendering_helper.rb

@@ -20,10 +20,8 @@ def render(options = {}, locals = {}, &block)
         when Hash
           if block_given?
             view_renderer.render_partial(self, options.merge(:partial => options[:layout]), &block)
-          elsif options.key?(:partial)
-            view_renderer.render_partial(self, options)
           else
-            view_renderer.render_template(self, options)
+            view_renderer.render(self, options)
           end
         else
           view_renderer.render_partial(self, :partial => options, :locals => locals)

actionpack/lib/action_view/renderer/renderer.rb

@@ -10,6 +10,15 @@ def initialize(lookup_context, controller)
       @controller = controller
     end
 
+    # Main render entry point shared by AV and AC.
+    def render(context, options)
+      if options.key?(:partial)
+        render_partial(context, options)
+      else
+        render_template(context, options)
+      end
+    end
+
     # Render but returns a valid Rack body. If fibers are defined, we return
     # a streaming body that renders the template piece by piece.
     #