Removed HttpRequestProgressEvent

tests/html/xhr_test.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library XHRTest;
 import 'dart:async';
 import 'dart:convert';
 import 'dart:html';
 import 'dart:typed_data';
 import 'package:unittest/html_individual_config.dart';
@@ skipping 19 matching lines @@
     expect(data, contains('feed'));
     expect(data['feed'], contains('entry'));
     expect(data, isMap);
   }
 
   void validate404(xhr) {
     expect(xhr.status, equals(404));
     expect(xhr.responseText, equals(''));
   }
 
-  group('supported_HttpRequestProgressEvent', () {
-    test('supported', () {
-      expect(HttpRequestProgressEvent.supported, isTrue);
-    });
-  });
-
   group('supported_onProgress', () {
     test('supported', () {
       expect(HttpRequest.supportsProgressEvent, isTrue);
     });
   });
 
   group('supported_onLoadEnd', () {
     test('supported', () {
       expect(HttpRequest.supportsLoadEndEvent, isTrue);
     });
@@ skipping 103 matching lines @@
           requestHeaders: {'Content-Type': 'text/xml'}).then(
           expectAsync1((xhr) {
             expect(xhr.status, equals(200));
             var byteBuffer = xhr.response;
             expect(byteBuffer, new isInstanceOf<ByteBuffer>());
             expect(byteBuffer, isNotNull);
           }));
       }
     });
 
-    test('HttpRequestProgressEvent', () {
-      var expectation = HttpRequestProgressEvent.supported ?
-          returnsNormally : throws;
-      expect(() {
-        var event = new Event.eventType('XMLHttpRequestProgressEvent', '');
-        expect(event is HttpRequestProgressEvent, isTrue);
-      }, expectation);
-    });
-
     test('overrideMimeType', () {
       var expectation =
           HttpRequest.supportsOverrideMimeType ? returnsNormally : throws;
 
       expect(() {
         HttpRequest.request(url, mimeType: 'application/binary');
       }, expectation);
     });
 
     if (Platform.supportsTypedData) {
@@ skipping 67 matching lines @@
           sendData: JSON.encode(data),
           responseType: 'json').then(
           expectAsync1((xhr) {
             expect(xhr.status, equals(200));
             var json = xhr.response;
             expect(json, equals(data));
           }));
     });
   });
 }