Replace createTextNode with new Text().

sky/benchmarks/layout/simple-blocks.sky

Index: sky/benchmarks/layout/simple-blocks.sky
diff --git a/sky/benchmarks/layout/simple-blocks.sky b/sky/benchmarks/layout/simple-blocks.sky
index 094f763b10376d9baa4926403d94fa77be1db1c5..61657b241628519ce86f2301d2b94b4eadec412f 100644
--- a/sky/benchmarks/layout/simple-blocks.sky
+++ b/sky/benchmarks/layout/simple-blocks.sky
@@ -15,9 +15,9 @@ var content = document.getElementById('content');
 var out = [];
 for (var i = 0; i < 1000; i++) {
   var div = document.createElement('div');
-  div.appendChild(document.createElement('span')).appendChild(document.createTextNode('foo'));
-  div.appendChild(document.createTextNode(' '));
-  div.appendChild(document.createElement('span')).appendChild(document.createTextNode('bar'));
+  div.appendChild(document.createElement('span')).appendChild(new Text('foo'));
+  div.appendChild(new Text(' '));
+  div.appendChild(document.createElement('span')).appendChild(new Text('bar'));
   content.appendChild(div);
 }