Work around dart2js' broken implementation of runtimeType. Review URL: https://codereview.chromium.org//12226131
Work around dart2js' broken implementation of runtimeType.
Review URL: https://codereview.chromium.org//12226131

git-svn-id: b889c0189f1adfea19efba192a3d7a5b889e4120@18411 260f80e4-7a28-3924-810f-c04153c831b5

grouma/test,d2m/test,greglittlefield-wf/test,iglherme/Guttiest,iglherme/Guttiest,d2m/test,apwilson/test,grouma/test,iglherme/Guttiest,kevmoo/test,apwilson/test,d2m/test,Pacane/test,greglittlefield-wf/test,kevmoo/test,Pacane/test,grouma/test,kevmoo/test,greglittlefield-wf/test,apwilson/test