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

client/tests/client/dom/InstanceOfTest.dart

 #library('InstanceOfTest');
-#import('../../../testing/unittest/unittest.dart');
+#import('../../../testing/unittest/unittest_dom.dart');
 #import('dart:dom');
 
 main() {
   HTMLCanvasElement canvas;
 
   // FIXME: remove when main is ran on content loaded.
   window.setTimeout(() {
     canvas = document.createElement('canvas');
     canvas.setAttribute('width', '100');
     canvas.setAttribute('height', '100');
@@ skipping 35 matching lines @@
     Expect.isFalse(bytes is HTMLCanvasElement);
     Expect.isFalse(bytes is ImageData);
     Expect.isTrue(bytes is CanvasPixelArray);
 
     // FIXME: Ensure this is an HTMLSpanElement when we next update
     // WebKit IDL.
     var span = document.createElement('span');
     Expect.isTrue(span is HTMLElement);
   });
 }