Move RoutesProxy to separate file

actionpack/lib/action_dispatch/routing.rb

@@ -268,6 +268,7 @@ module Routing
     autoload :Mapper, 'action_dispatch/routing/mapper'
     autoload :Route, 'action_dispatch/routing/route'
     autoload :RouteSet, 'action_dispatch/routing/route_set'
+    autoload :RoutesProxy, 'action_dispatch/routing/routes_proxy'
     autoload :UrlFor, 'action_dispatch/routing/url_for'
     autoload :PolymorphicRoutes, 'action_dispatch/routing/polymorphic_routes'
 

actionpack/lib/action_dispatch/routing/route_set.rb

@@ -261,38 +261,6 @@ def install_helpers(destinations = [ActionController::Base, ActionView::Base], r
         named_routes.install(destinations, regenerate_code)
       end
 
-      class RoutesProxy
-        include ActionDispatch::Routing::UrlFor
-
-        attr_accessor :scope, :routes
-        alias :_routes :routes
-
-        def initialize(routes, scope)
-          @routes, @scope = routes, scope
-        end
-
-        def url_options
-          scope.send(:_with_routes, routes) do
-            scope.url_options
-          end
-        end
-
-        def method_missing(method, *args)
-          if routes.url_helpers.respond_to?(method)
-            self.class.class_eval <<-RUBY, __FILE__, __LINE__ + 1
-              def #{method}(*args)
-                options = args.extract_options!
-                args << url_options.merge((options || {}).symbolize_keys)
-                routes.url_helpers.#{method}(*args)
-              end
-            RUBY
-            send(method, *args)
-          else
-            super
-          end
-        end
-      end
-
       module MountedHelpers
       end
 

actionpack/lib/action_dispatch/routing/routes_proxy.rb

+module ActionDispatch
+  module Routing
+    class RoutesProxy #:nodoc:
+      include ActionDispatch::Routing::UrlFor
+
+      attr_accessor :scope, :routes
+      alias :_routes :routes
+
+      def initialize(routes, scope)
+        @routes, @scope = routes, scope
+      end
+
+      def url_options
+        scope.send(:_with_routes, routes) do
+          scope.url_options
+        end
+      end
+
+      def method_missing(method, *args)
+        if routes.url_helpers.respond_to?(method)
+          self.class.class_eval <<-RUBY, __FILE__, __LINE__ + 1
+            def #{method}(*args)
+              options = args.extract_options!
+              args << url_options.merge((options || {}).symbolize_keys)
+              routes.url_helpers.#{method}(*args)
+            end
+          RUBY
+          send(method, *args)
+        else
+          super
+        end
+      end
+    end
+  end
+end