Bugfix: Remove double-passed childProps.

Has performance implications only.

Author: STRML

lib/RouteRenderingMixin.js

@@ -20,21 +20,21 @@ var RouteRenderingMixin = {
     return childProps;
   },
 
-  renderRouteHandler: function(props) {
+  renderRouteHandler: function() {
     if (!this.state.match.route) {
       throw new Error("React-router-component: No route matched! Did you define a NotFound route?");
     }
     var handler = this.state.handler;
     var matchProps = this.state.matchProps;
+    var outProps = assign({ref: this.state.match.route.ref}, this.getChildProps(), matchProps);
 
-    props = assign({ref: this.state.match.route.ref}, this.getChildProps(), props, matchProps);
     // If we were passed an element, we need to clone it before passing it along.
     if (React.isValidElement(handler)) {
       // Be sure to keep the props that were already set on the handler.
       // Otherwise, a handler like <div className="foo">bar</div> would have its className lost.
-      return React.cloneElement(handler, assign(props, handler.props));
+      return React.cloneElement(handler, assign(outProps, handler.props));
     }
-    return React.createElement(handler, props);
+    return React.createElement(handler, outProps);
   }
 
 };

lib/Router.js

@@ -31,7 +31,7 @@ function createRouter(name, component) {
 
     render: function() {
       // Render the Route's handler.
-      var handler = this.renderRouteHandler(this.props.childProps);
+      var handler = this.renderRouteHandler();
 
       if (!this.props.component) {
         return handler;