Generate dart:html bindings for Dartium as well as Frog. All unittests now pass (or are disabled fo…

client/tests/client/dom/WindowOpenTest.dart

 #library('WindowOpenTest');
-#import('../../../testing/unittest/unittest.dart');
+#import('../../../testing/unittest/unittest_dom.dart');
 #import('dart:dom');
 
 main() {
   // FIXME: when JS DOM has proper layoutTestController support, should go away.
   window.setTimeout(() {
     evaluateJavaScript(code) {
       final scriptTag = document.createElement('script');
       scriptTag.innerHTML = code;
       document.body.appendChild(scriptTag);
     }
@@ skipping 11 matching lines @@
   });
 }
 
 closeWindow(win) {
   win.close();
   doneHandler() {
     window.setTimeout(win.closed ? callbackDone : doneHandler, 1);
   }
   window.setTimeout(doneHandler, 1);
 }