diff --git a/packages/flutter/lib/src/foundation/_platform_web.dart b/packages/flutter/lib/src/foundation/_platform_web.dart
index babeee421a..30f757012e 100644
--- a/packages/flutter/lib/src/foundation/_platform_web.dart
+++ b/packages/flutter/lib/src/foundation/_platform_web.dart
@@ -4,7 +4,7 @@
 
 import 'dart:ui_web' as ui_web;
 
-import '../services/dom.dart';
+import 'package:web/web.dart' as web;
 
 import 'platform.dart' as platform;
 
@@ -38,7 +38,7 @@ final platform.TargetPlatform? _testPlatform = () {
 // 0.20ms. As `defaultTargetPlatform` is routinely called dozens of times per
 // frame this value should be cached.
 final platform.TargetPlatform _browserPlatform = () {
-  final String navigatorPlatform = domWindow.navigator.platform?.toLowerCase() ?? '';
+  final String navigatorPlatform = web.window.navigator.platform.toLowerCase();
   if (navigatorPlatform.startsWith('mac')) {
     return platform.TargetPlatform.macOS;
   }
@@ -58,7 +58,7 @@ final platform.TargetPlatform _browserPlatform = () {
   // indicates that a device has a "fine pointer" (mouse) as the primary
   // pointing device, then we'll assume desktop linux, and otherwise we'll
   // assume Android.
-  if (domWindow.matchMedia('only screen and (pointer: fine)').matches) {
+  if (web.window.matchMedia('only screen and (pointer: fine)').matches) {
     return platform.TargetPlatform.linux;
   }
   return platform.TargetPlatform.android;
diff --git a/packages/flutter/lib/src/painting/_network_image_web.dart b/packages/flutter/lib/src/painting/_network_image_web.dart
index 95e97e0c28..af45a0eb33 100644
--- a/packages/flutter/lib/src/painting/_network_image_web.dart
+++ b/packages/flutter/lib/src/painting/_network_image_web.dart
@@ -7,17 +7,17 @@ import 'dart:js_interop';
 import 'dart:ui' as ui;
 
 import 'package:flutter/foundation.dart';
+import 'package:web/web.dart' as web;
 
-import '../services/dom.dart';
 import 'image_provider.dart' as image_provider;
 import 'image_stream.dart';
 
 /// Creates a type for an overridable factory function for testing purposes.
-typedef HttpRequestFactory = DomXMLHttpRequest Function();
+typedef HttpRequestFactory = web.XMLHttpRequest Function();
 
 /// Default HTTP client.
-DomXMLHttpRequest _httpClient() {
-  return DomXMLHttpRequest();
+web.XMLHttpRequest _httpClient() {
+  return web.XMLHttpRequest();
 }
 
 /// Creates an overridable factory function.
@@ -135,9 +135,9 @@ class NetworkImage
     // We use a different method when headers are set because the
     // `ui.webOnlyInstantiateImageCodecFromUrl` method is not capable of handling headers.
     if (isCanvasKit || containsNetworkImageHeaders) {
-      final Completer<DomXMLHttpRequest> completer =
-          Completer<DomXMLHttpRequest>();
-      final DomXMLHttpRequest request = httpRequestFactory();
+      final Completer<web.XMLHttpRequest> completer =
+          Completer<web.XMLHttpRequest>();
+      final web.XMLHttpRequest request = httpRequestFactory();
 
       request.open('GET', key.url, true);
       request.responseType = 'arraybuffer';
@@ -147,9 +147,9 @@ class NetworkImage
         });
       }
 
-      request.addEventListener('load', createDomEventListener((DomEvent e) {
-        final int? status = request.status;
-        final bool accepted = status! >= 200 && status < 300;
+      request.addEventListener('load', (web.Event e) {
+        final int status = request.status;
+        final bool accepted = status >= 200 && status < 300;
         final bool fileUri = status == 0; // file:// URIs have status of 0.
         final bool notModified = status == 304;
         final bool unknownRedirect = status > 307 && status < 400;
@@ -161,12 +161,11 @@ class NetworkImage
         } else {
           completer.completeError(e);
           throw image_provider.NetworkImageLoadException(
-              statusCode: request.status ?? 400, uri: resolved);
+              statusCode: status, uri: resolved);
         }
-      }));
+      }.toJS);
 
-      request.addEventListener('error',
-          createDomEventListener(completer.completeError));
+      request.addEventListener('error', completer.completeError.toJS);
 
       request.send();
 
@@ -176,7 +175,7 @@ class NetworkImage
 
       if (bytes.lengthInBytes == 0) {
         throw image_provider.NetworkImageLoadException(
-            statusCode: request.status!, uri: resolved);
+            statusCode: request.status, uri: resolved);
       }
 
       if (decode != null) {
diff --git a/packages/flutter/lib/src/services/dom.dart b/packages/flutter/lib/src/services/dom.dart
deleted file mode 100644
index 42235a84cf..0000000000
--- a/packages/flutter/lib/src/services/dom.dart
+++ /dev/null
@@ -1,416 +0,0 @@
-// Copyright 2014 The Flutter Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-import 'dart:js_interop';
-
-/// This file includes static interop helpers for Flutter Web.
-// TODO(joshualitt): This file will eventually be removed,
-// https://github.com/flutter/flutter/issues/113402.
-
-/// [DomWindow] interop object.
-@JS()
-@staticInterop
-class DomWindow {}
-
-/// [DomWindow] required extension.
-extension DomWindowExtension on DomWindow {
-  @JS('matchMedia')
-  external DomMediaQueryList _matchMedia(JSString? query);
-
-  /// Returns a [DomMediaQueryList] of the media that matches [query].
-  DomMediaQueryList matchMedia(String? query) => _matchMedia(query?.toJS);
-
-  /// Returns the [DomNavigator] associated with this window.
-  external DomNavigator get navigator;
-
-  /// Gets the current selection.
-  external DomSelection? getSelection();
-}
-
-/// The underyling window.
-@JS('window')
-external DomWindow get domWindow;
-
-/// [DomMediaQueryList] interop object.
-@JS()
-@staticInterop
-class DomMediaQueryList {}
-
-/// [DomMediaQueryList] required extension.
-extension DomMediaQueryListExtension on DomMediaQueryList {
-  @JS('matches')
-  external JSBoolean get _matches;
-
-  /// Whether or not the query matched.
-  bool get matches => _matches.toDart;
-}
-
-/// [DomNavigator] interop object.
-@JS()
-@staticInterop
-class DomNavigator {}
-
-/// [DomNavigator] required extension.
-extension DomNavigatorExtension on DomNavigator {
-  @JS('platform')
-  external JSString? get _platform;
-
-  /// The underyling platform string.
-  String? get platform => _platform?.toDart;
-}
-
-/// A DOM event target.
-@JS()
-@staticInterop
-class DomEventTarget {}
-
-/// [DomEventTarget]'s required extension.
-extension DomEventTargetExtension on DomEventTarget {
-  @JS('addEventListener')
-  external JSVoid _addEventListener1(JSString type, DomEventListener? listener);
-
-  @JS('addEventListener')
-  external JSVoid _addEventListener2(
-      JSString type, DomEventListener? listener, JSBoolean useCapture);
-
-  /// Adds an event listener to this event target.
-  @JS('addEventListener')
-  void addEventListener(String type, DomEventListener? listener,
-      [bool? useCapture]) {
-    if (listener != null) {
-      if (useCapture == null) {
-        _addEventListener1(type.toJS, listener);
-      } else {
-        _addEventListener2(type.toJS, listener, useCapture.toJS);
-      }
-    }
-  }
-}
-
-/// [DomXMLHttpRequest] interop class.
-@JS('XMLHttpRequest')
-@staticInterop
-class DomXMLHttpRequest extends DomEventTarget {
-  /// Constructor for [DomXMLHttpRequest].
-  external factory DomXMLHttpRequest();
-}
-
-/// [DomXMLHttpRequest] extension.
-extension DomXMLHttpRequestExtension on DomXMLHttpRequest {
-  /// Gets the response.
-  external JSAny? get response;
-
-  @JS('responseText')
-  external JSString? get _responseText;
-
-  /// Gets the response text.
-  String? get responseText => _responseText?.toDart;
-
-  @JS('responseType')
-  external JSString get _responseType;
-
-  /// Gets the response type.
-  String get responseType => _responseType.toDart;
-
-  @JS('status')
-  external JSNumber? get _status;
-
-  /// Gets the status.
-  int? get status => _status?.toDartInt;
-
-  @JS('responseType')
-  external set _responseType(JSString value);
-
-  /// Set the response type.
-  set responseType(String value) => _responseType = value.toJS;
-
-  @JS('setRequestHeader')
-  external void _setRequestHeader(JSString header, JSString value);
-
-  /// Set the request header.
-  void setRequestHeader(String header, String value) =>
-      _setRequestHeader(header.toJS, value.toJS);
-
-  @JS('open')
-  external JSVoid _open(JSString method, JSString url, JSBoolean isAsync);
-
-  /// Open the request.
-  void open(String method, String url, bool isAsync) =>
-      _open(method.toJS, url.toJS, isAsync.toJS);
-
-  /// Send the request.
-  external JSVoid send();
-}
-
-/// Type for event listener.
-typedef DartDomEventListener = JSVoid Function(DomEvent event);
-
-/// The type of [JSFunction] expected as an `EventListener`.
-@JS()
-@staticInterop
-class DomEventListener {}
-
-/// Creates a [DomEventListener] from a [DartDomEventListener].
-DomEventListener createDomEventListener(DartDomEventListener listener) =>
-    listener.toJS as DomEventListener;
-
-/// [DomEvent] interop object.
-@JS()
-@staticInterop
-class DomEvent {}
-
-/// [DomEvent] required extension.
-extension DomEventExtension on DomEvent {
-  @JS('type')
-  external JSString get _type;
-
-  /// Get the event type.
-  String get type => _type.toDart;
-
-  /// Initialize an event.
-  external JSVoid initEvent(
-      JSString type, JSBoolean bubbles, JSBoolean cancelable);
-}
-
-/// [DomProgressEvent] interop object.
-@JS()
-@staticInterop
-class DomProgressEvent extends DomEvent {}
-
-/// [DomProgressEvent] required extension.
-extension DomProgressEventExtension on DomProgressEvent {
-  @JS('loaded')
-  external JSNumber? get _loaded;
-
-  /// Amount of work done.
-  int? get loaded => _loaded?.toDartInt;
-
-  @JS('total')
-  external JSNumber? get _total;
-
-  /// Total amount of work.
-  int? get total => _total?.toDartInt;
-}
-
-/// The underlying DOM document.
-@JS()
-@staticInterop
-class DomDocument {}
-
-/// [DomDocument]'s required extension.
-extension DomDocumentExtension on DomDocument {
-  @JS('createEvent')
-  external DomEvent _createEvent(JSString eventType);
-
-  /// Creates an event.
-  DomEvent createEvent(String eventType) => _createEvent(eventType.toJS);
-
-  /// Creates a range.
-  external DomRange createRange();
-
-  /// Gets the head element.
-  external DomHTMLHeadElement? get head;
-
-  /// Creates a [DomElement].
-  @JS('createElement')
-  external DomElement createElement(JSString name);
-}
-
-/// Returns the top level document.
-@JS('window.document')
-external DomDocument get domDocument;
-
-/// Creates a new DOM event.
-DomEvent createDomEvent(String type, String name) {
-  final DomEvent event = domDocument.createEvent(type);
-  event.initEvent(name.toJS, true.toJS, true.toJS);
-  return event;
-}
-
-/// A Range object.
-@JS()
-@staticInterop
-class DomRange {}
-
-/// [DomRange]'s required extension.
-extension DomRangeExtension on DomRange {
-  /// Selects the provided node.
-  external JSVoid selectNode(DomNode node);
-}
-
-/// A node in the DOM.
-@JS()
-@staticInterop
-class DomNode extends DomEventTarget {}
-
-/// [DomNode]'s required extension.
-extension DomNodeExtension on DomNode {
-  @JS('innerText')
-  external set _innerText(JSString text);
-
-  /// Sets the innerText of this node.
-  set innerText(String text) => _innerText = text.toJS;
-
-  /// Appends a node this node.
-  external JSVoid append(DomNode node);
-}
-
-/// An element in the DOM.
-@JS()
-@staticInterop
-class DomElement extends DomNode {}
-
-/// [DomElement]'s required extension.
-extension DomElementExtension on DomElement {
-  /// Returns the style of this element.
-  external DomCSSStyleDeclaration get style;
-
-  /// Returns the class list of this element.
-  external DomTokenList get classList;
-}
-
-/// An HTML element in the DOM.
-@JS()
-@staticInterop
-class DomHTMLElement extends DomElement {}
-
-/// A UI event.
-@JS()
-@staticInterop
-class DomUIEvent extends DomEvent {}
-
-/// A mouse event.
-@JS()
-@staticInterop
-class DomMouseEvent extends DomUIEvent {}
-
-/// [DomMouseEvent]'s required extension.
-extension DomMouseEventExtension on DomMouseEvent {
-  @JS('offsetX')
-  external JSNumber get _offsetX;
-
-  /// Returns the current x offset.
-  num get offsetX => _offsetX.toDartDouble;
-
-  @JS('offsetY')
-  external JSNumber get _offsetY;
-
-  /// Returns the current y offset.
-  num get offsetY => _offsetY.toDartDouble;
-
-  @JS('button')
-  external JSNumber get _button;
-
-  /// Returns the current button.
-  int get button => _button.toDartInt;
-}
-
-/// A DOM selection.
-@JS()
-@staticInterop
-class DomSelection {}
-
-/// [DomSelection]'s required extension.
-extension DomSelectionExtension on DomSelection {
-  /// Removes all ranges from this selection.
-  external JSVoid removeAllRanges();
-
-  /// Adds a range to this selection.
-  external JSVoid addRange(DomRange range);
-}
-
-/// A DOM html div element.
-@JS()
-@staticInterop
-class DomHTMLDivElement extends DomHTMLElement {}
-
-/// Factory constructor for [DomHTMLDivElement].
-DomHTMLDivElement createDomHTMLDivElement() =>
-    domDocument.createElement('div'.toJS) as DomHTMLDivElement;
-
-/// An html style element.
-@JS()
-@staticInterop
-class DomHTMLStyleElement extends DomHTMLElement {}
-
-/// [DomHTMLStyleElement]'s required extension.
-extension DomHTMLStyleElementExtension on DomHTMLStyleElement {
-  /// Get's the style sheet of this element.
-  external DomStyleSheet? get sheet;
-}
-
-/// Factory constructor for [DomHTMLStyleElement].
-DomHTMLStyleElement createDomHTMLStyleElement() =>
-    domDocument.createElement('style'.toJS) as DomHTMLStyleElement;
-
-/// CSS styles.
-@JS()
-@staticInterop
-class DomCSSStyleDeclaration {}
-
-/// [DomCSSStyleDeclaration]'s required extension.
-extension DomCSSStyleDeclarationExtension on DomCSSStyleDeclaration {
-  /// Sets the width.
-  set width(String value) => setProperty('width', value);
-
-  /// Sets the height.
-  set height(String value) => setProperty('height', value);
-
-  @JS('setProperty')
-  external JSVoid _setProperty(
-      JSString propertyName, JSString value, JSString priority);
-
-  /// Sets a CSS property by name.
-  void setProperty(String propertyName, String value, [String? priority]) {
-    priority ??= '';
-    _setProperty(propertyName.toJS, value.toJS, priority.toJS);
-  }
-}
-
-/// The HTML head element.
-@JS()
-@staticInterop
-class DomHTMLHeadElement extends DomHTMLElement {}
-
-/// A DOM style sheet.
-@JS()
-@staticInterop
-class DomStyleSheet {}
-
-/// A DOM CSS style sheet.
-@JS()
-@staticInterop
-class DomCSSStyleSheet extends DomStyleSheet {}
-
-/// [DomCSSStyleSheet]'s required extension.
-extension DomCSSStyleSheetExtension on DomCSSStyleSheet {
-  @JS('insertRule')
-  external JSNumber _insertRule1(JSString rule);
-
-  @JS('insertRule')
-  external JSNumber _insertRule2(JSString rule, JSNumber index);
-
-  /// Inserts a rule into this style sheet.
-  int insertRule(String rule, [int? index]) {
-    if (index == null) {
-      return _insertRule1(rule.toJS).toDartInt;
-    } else {
-      return _insertRule2(rule.toJS, index.toJS).toDartInt;
-    }
-  }
-}
-
-/// A list of token.
-@JS()
-@staticInterop
-class DomTokenList {}
-
-/// [DomTokenList]'s required extension.
-extension DomTokenListExtension on DomTokenList {
-  @JS('add')
-  external JSVoid _add(JSString value);
-
-  /// Adds a token to this token list.
-  void add(String value) => _add(value.toJS);
-}
diff --git a/packages/flutter/lib/src/widgets/_platform_selectable_region_context_menu_web.dart b/packages/flutter/lib/src/widgets/_platform_selectable_region_context_menu_web.dart
index 2a5fa323b8..9e29598855 100644
--- a/packages/flutter/lib/src/widgets/_platform_selectable_region_context_menu_web.dart
+++ b/packages/flutter/lib/src/widgets/_platform_selectable_region_context_menu_web.dart
@@ -2,11 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+import 'dart:js_interop';
 import 'dart:ui_web' as ui_web;
 
 import 'package:flutter/rendering.dart';
+import 'package:web/web.dart' as web;
 
-import '../services/dom.dart';
 import 'basic.dart';
 import 'framework.dart';
 import 'platform_view.dart';
@@ -27,7 +28,7 @@ const String _kClassRule = '''
 ''';
 const int _kRightClickButton = 2;
 
-typedef _WebSelectionCallBack = void Function(DomHTMLElement, DomMouseEvent);
+typedef _WebSelectionCallBack = void Function(web.HTMLElement, web.MouseEvent);
 
 /// Function signature for `ui_web.platformViewRegistry.registerViewFactory`.
 @visibleForTesting
@@ -80,11 +81,11 @@ class PlatformSelectableRegionContextMenu extends StatelessWidget {
   // Registers the view factories for the interceptor widgets.
   static void _register() {
     assert(_registeredViewType == null);
-    _registeredViewType = _registerWebSelectionCallback((DomHTMLElement element, DomMouseEvent event) {
+    _registeredViewType = _registerWebSelectionCallback((web.HTMLElement element, web.MouseEvent event) {
       final SelectionContainerDelegate? client = _activeClient;
       if (client != null) {
         // Converts the html right click event to flutter coordinate.
-        final Offset localOffset = Offset(event.offsetX.toDouble(), event.offsetY.toDouble());
+        final Offset localOffset = Offset(event.offsetX, event.offsetY);
         final Matrix4 transform = client.getTransformTo(null);
         final Offset globalOffset = MatrixUtils.transformPoint(transform, localOffset);
         client.dispatchSelectionEvent(SelectWordSelectionEvent(globalPosition: globalOffset));
@@ -93,9 +94,9 @@ class PlatformSelectableRegionContextMenu extends StatelessWidget {
         element.innerText = client.getSelectedContent()?.plainText ?? '';
 
         // Programmatically select the dom element in browser.
-        final DomRange range = domDocument.createRange();
+        final web.Range range = web.document.createRange();
         range.selectNode(element);
-        final DomSelection? selection = domWindow.getSelection();
+        final web.Selection? selection = web.window.getSelection();
         if (selection != null) {
           selection.removeAllRanges();
           selection.addRange(range);
@@ -106,26 +107,26 @@ class PlatformSelectableRegionContextMenu extends StatelessWidget {
 
   static String _registerWebSelectionCallback(_WebSelectionCallBack callback) {
     _registerViewFactory(_viewType, (int viewId) {
-      final DomHTMLElement htmlElement = createDomHTMLDivElement();
+      final web.HTMLElement htmlElement = web.document.createElement('div') as web.HTMLElement;
       htmlElement
         ..style.width = '100%'
         ..style.height = '100%'
         ..classList.add(_kClassName);
 
       // Create css style for _kClassName.
-      final DomHTMLStyleElement styleElement = createDomHTMLStyleElement();
-      domDocument.head!.append(styleElement);
-      final DomCSSStyleSheet sheet = styleElement.sheet! as DomCSSStyleSheet;
+      final web.HTMLStyleElement styleElement = web.document.createElement('style') as web.HTMLStyleElement;
+      web.document.head!.append(styleElement);
+      final web.CSSStyleSheet sheet = styleElement.sheet!;
       sheet.insertRule(_kClassRule, 0);
       sheet.insertRule(_kClassSelectionRule, 1);
 
-      htmlElement.addEventListener('mousedown', createDomEventListener((DomEvent event) {
-        final DomMouseEvent mouseEvent = event as DomMouseEvent;
+      htmlElement.addEventListener('mousedown', (web.Event event) {
+        final web.MouseEvent mouseEvent = event as web.MouseEvent;
         if (mouseEvent.button != _kRightClickButton) {
           return;
         }
         callback(htmlElement, mouseEvent);
-      }));
+      }.toJS);
       return htmlElement;
     }, isVisible: false);
     return _viewType;
diff --git a/packages/flutter/test/painting/_network_image_test_web.dart b/packages/flutter/test/painting/_network_image_test_web.dart
index f82a6e1610..307d6f9108 100644
--- a/packages/flutter/test/painting/_network_image_test_web.dart
+++ b/packages/flutter/test/painting/_network_image_test_web.dart
@@ -5,8 +5,8 @@
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/src/painting/_network_image_web.dart';
-import 'package:flutter/src/services/dom.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:web/web.dart' as web;
 
 import '../image_data.dart';
 import '_test_http_request.dart';
@@ -20,7 +20,7 @@ void runTests() {
       (WidgetTester tester) async {
     final TestHttpRequest testHttpRequest = TestHttpRequest()
       ..status = 200
-      ..mockEvent = MockEvent('load', createDomEvent('Event', 'test error'))
+      ..mockEvent = MockEvent('load', web.Event('test error'))
       ..response = (Uint8List.fromList(kTransparentImage)).buffer;
 
     httpRequestFactory = () {
@@ -46,7 +46,7 @@ void runTests() {
       (WidgetTester tester) async {
     final TestHttpRequest testHttpRequest = TestHttpRequest()
       ..status = 404
-      ..mockEvent = MockEvent('error', createDomEvent('Event', 'test error'));
+      ..mockEvent = MockEvent('error', web.Event('test error'));
 
 
     httpRequestFactory = () {
@@ -64,14 +64,14 @@ void runTests() {
     );
 
     await tester.pumpWidget(image);
-    expect((tester.takeException() as DomProgressEvent).type, 'test error');
+    expect((tester.takeException() as web.ProgressEvent).type, 'test error');
   });
 
   testWidgets('loads an image from the network with empty response',
       (WidgetTester tester) async {
     final TestHttpRequest testHttpRequest = TestHttpRequest()
       ..status = 200
-      ..mockEvent = MockEvent('load', createDomEvent('Event', 'test error'))
+      ..mockEvent = MockEvent('load', web.Event('test error'))
       ..response = (Uint8List.fromList(<int>[])).buffer;
 
     httpRequestFactory = () {
diff --git a/packages/flutter/test/painting/_test_http_request.dart b/packages/flutter/test/painting/_test_http_request.dart
index ccfbf1d752..86e03ae80c 100644
--- a/packages/flutter/test/painting/_test_http_request.dart
+++ b/packages/flutter/test/painting/_test_http_request.dart
@@ -4,16 +4,16 @@
 
 import 'dart:js_interop';
 
-import 'package:flutter/src/services/dom.dart';
+import 'package:web/web.dart' as web;
 
 /// Defines a new property on an Object.
 @JS('Object.defineProperty')
-external JSVoid objectDefineProperty(JSAny o, JSString symbol, JSAny desc);
+external void objectDefineProperty(JSAny o, String symbol, JSAny desc);
 
 void createGetter(JSAny mock, String key, JSAny? Function() get) {
   objectDefineProperty(
     mock,
-    key.toJS,
+    key,
     <String, JSFunction>{
       'get': (() => get()).toJS,
     }.jsify()!,
@@ -35,6 +35,8 @@ class DomXMLHttpRequestMock {
   });
 }
 
+typedef _DartDomEventListener = JSVoid Function(web.Event event);
+
 class TestHttpRequest {
   TestHttpRequest() {
     _mock = DomXMLHttpRequestMock(
@@ -58,26 +60,26 @@ class TestHttpRequest {
   Object? response;
 
   Map<String, String> get responseHeaders => headers;
-  JSVoid open(JSString method, JSString url, JSBoolean async) {}
+  JSVoid open(String method, String url, bool async) {}
   JSVoid send() {}
-  JSVoid setRequestHeader(JSString name, JSString value) {
-    headers[name.toDart] = value.toDart;
+  JSVoid setRequestHeader(String name, String value) {
+    headers[name] = value;
   }
 
-  JSVoid addEventListener(JSString type, DomEventListener listener) {
-    if (type.toDart == mockEvent?.type) {
-      final DartDomEventListener dartListener =
-        (listener as JSExportedDartFunction).toDart as DartDomEventListener;
+  JSVoid addEventListener(String type, web.EventListener listener) {
+    if (type == mockEvent?.type) {
+      final _DartDomEventListener dartListener =
+          (listener as JSExportedDartFunction).toDart as _DartDomEventListener;
       dartListener(mockEvent!.event);
     }
   }
 
-  DomXMLHttpRequest getMock() => _mock as DomXMLHttpRequest;
+  web.XMLHttpRequest getMock() => _mock as web.XMLHttpRequest;
 }
 
 class MockEvent {
   MockEvent(this.type, this.event);
 
   final String type;
-  final DomEvent event;
+  final web.Event event;
 }