WWW class appears to cause NaCl to crash

Using a project I made recently I decided I wanted to try it out using the Native Chrome plugin and I found that it crashed immediately. After setting the environment variables to get log information from the start page to using NaCL I was able to track the issue down to a WWW call.

I then loaded up a project that didn't have any WWW calls and found that it worked fine in the plugin. I then simply added a simple WWW call to that project and now that project crashes immediately.

 public void Start()
     {
         var www = new WWW("http://docs.unity3d.com/Documentation/Manual/nacl-gettingstarted.html");
     }

Do I need to be doing something different when I create a WWW class in the NaCl plugin? According to what I've read I should be able to use the WWW class, did that change recently? Before you ask, yes I have configured my webserver to return the "Access-Control-Allow-Origin" header.

Thanks for any help in advance.