Converting dart:html to use DateTime rather than Date.

tests/html/input_element_test.dart

 library input_element_test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 
 void check(InputElement element, String type, [bool supported = true]) {
   expect(element is InputElement, true);
   if (supported) {
     expect(element.type, type);
   } else {
@@ skipping 107 matching lines @@
     test('month', () {
       check(new MonthInputElement(), 'month', MonthInputElement.supported);
     });
 
     test('week', () {
       check(new WeekInputElement(), 'week', WeekInputElement.supported);
     });
 
     test('time', () {
       check(new TimeInputElement(), 'time', TimeInputElement.supported);
+      if (TimeInputElement.supported) {
+        var element = new TimeInputElement();
+        var now = new DateTime.now();
+        element.valueAsDate = now;
+        expect(element.valueAsDate is DateTime, isTrue);
+
+        // Bug 8813, setting it is just going to the epoch.
+        //expect(element.valueAsDate, now);
+      }
     });
 
     test('datetime-local', () {
       check(new LocalDateTimeInputElement(), 'datetime-local',
           LocalDateTimeInputElement.supported);
     });
 
     test('number', () {
       check(new NumberInputElement(), 'number', NumberInputElement.supported);
     });
@@ skipping 24 matching lines @@
 
     test('reset', () {
       check(new ResetButtonInputElement(), 'reset');
     });
 
     test('button', () {
       check(new ButtonInputElement(), 'button');
     });
   });
 }