Revert of Mojo JS bindings: change module loading solution.

mojo/public/js/new_bindings/buffer.js

Index: mojo/public/js/new_bindings/buffer.js
diff --git a/mojo/public/js/new_bindings/buffer.js b/mojo/public/js/new_bindings/buffer.js
index 7c0853c107d398d871fae7ab3a65fec32d26ba22..e35f69513fb85b0c5be70c7e78fc4fb18c9e88a0 100644
--- a/mojo/public/js/new_bindings/buffer.js
+++ b/mojo/public/js/new_bindings/buffer.js
@@ -2,8 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-(function() {
-  var internal = mojoBindings.internal;
+define("mojo/public/js/buffer", function() {
 
   var kHostIsLittleEndian = (function () {
     var endianArrayBuffer = new ArrayBuffer(2);
@@ -151,5 +150,7 @@
     this.dataView.setFloat64(offset, value, kHostIsLittleEndian);
   }
 
-  internal.Buffer = Buffer;
-})();
+  var exports = {};
+  exports.Buffer = Buffer;
+  return exports;
+});