Update vendor/platform.js but remove it from test.'s.

Former-commit-id: 4f72d2b4454e7de42754c98c7b17f47f1f30718c

vendor/platform.js/platform.js

@@ -1002,6 +1002,6 @@
   else {
     // use square bracket notation so Closure Compiler won't munge `platform`
     // http://code.google.com/closure/compiler/docs/api-tutorial3.html#export
-    window['platform'] = parse();
+    window.platform = parse();
   }
 }(this));