sdk/lib/html/dart2js/html_dart2js.dart

Index: sdk/lib/html/dart2js/html_dart2js.dart
diff --git a/sdk/lib/html/dart2js/html_dart2js.dart b/sdk/lib/html/dart2js/html_dart2js.dart
index e7ab0f478637148899655e1448fb6c2f579482b6..512a15c9ac7b9eb78678f9b39861ed8a7a4674ef 100644
--- a/sdk/lib/html/dart2js/html_dart2js.dart
+++ b/sdk/lib/html/dart2js/html_dart2js.dart
@@ -64,6 +64,7 @@ class AbstractWorker extends EventTarget native "*AbstractWorker" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   AbstractWorkerEvents get on =>
     new AbstractWorkerEvents(this);
 
@@ -72,10 +73,9 @@ class AbstractWorker extends EventTarget native "*AbstractWorker" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('AbstractWorker.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('AbstractWorker.removeEventListener')
@@ -88,6 +88,7 @@ class AbstractWorker extends EventTarget native "*AbstractWorker" {
 }
 
 @DocsEditable
+@deprecated
 class AbstractWorkerEvents extends Events {
   @DocsEditable
   AbstractWorkerEvents(EventTarget _ptr) : super(_ptr);
@@ -247,6 +248,7 @@ class ApplicationCache extends EventTarget native "*DOMApplicationCache" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   ApplicationCacheEvents get on =>
     new ApplicationCacheEvents(this);
 
@@ -275,10 +277,9 @@ class ApplicationCache extends EventTarget native "*DOMApplicationCache" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('DOMApplicationCache.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('DOMApplicationCache.removeEventListener')
@@ -327,6 +328,7 @@ class ApplicationCache extends EventTarget native "*DOMApplicationCache" {
 }
 
 @DocsEditable
+@deprecated
 class ApplicationCacheEvents extends Events {
   @DocsEditable
   ApplicationCacheEvents(EventTarget _ptr) : super(_ptr);
@@ -600,6 +602,7 @@ class BatteryManager extends EventTarget native "*BatteryManager" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   BatteryManagerEvents get on =>
     new BatteryManagerEvents(this);
 
@@ -624,10 +627,9 @@ class BatteryManager extends EventTarget native "*BatteryManager" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('BatteryManager.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @JSName('removeEventListener')
   @DomName('BatteryManager.removeEventListener')
@@ -652,6 +654,7 @@ class BatteryManager extends EventTarget native "*BatteryManager" {
 }
 
 @DocsEditable
+@deprecated
 class BatteryManagerEvents extends Events {
   @DocsEditable
   BatteryManagerEvents(EventTarget _ptr) : super(_ptr);
@@ -798,6 +801,7 @@ class BodyElement extends Element native "*HTMLBodyElement" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   BodyElementEvents get on =>
     new BodyElementEvents(this);
 
@@ -855,6 +859,7 @@ class BodyElement extends Element native "*HTMLBodyElement" {
 }
 
 @DocsEditable
+@deprecated
 class BodyElementEvents extends ElementEvents {
   @DocsEditable
   BodyElementEvents(EventTarget _ptr) : super(_ptr);
@@ -5869,6 +5874,7 @@ class DedicatedWorkerContext extends WorkerContext native "*DedicatedWorkerConte
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   DedicatedWorkerContextEvents get on =>
     new DedicatedWorkerContextEvents(this);
 
@@ -5897,6 +5903,7 @@ class DedicatedWorkerContext extends WorkerContext native "*DedicatedWorkerConte
 }
 
 @DocsEditable
+@deprecated
 class DedicatedWorkerContextEvents extends WorkerContextEvents {
   @DocsEditable
   DedicatedWorkerContextEvents(EventTarget _ptr) : super(_ptr);
@@ -6169,6 +6176,7 @@ class Document extends Node  native "*Document"
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   DocumentEvents get on =>
     new DocumentEvents(this);
 
@@ -6676,6 +6684,7 @@ class Document extends Node  native "*Document"
 }
 
 @DocsEditable
+@deprecated
 class DocumentEvents extends ElementEvents {
   @DocsEditable
   DocumentEvents(EventTarget _ptr) : super(_ptr);
@@ -6962,6 +6971,7 @@ class DocumentFragment extends Node native "*DocumentFragment" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   ElementEvents get on =>
     new ElementEvents(this);
 
@@ -8983,6 +8993,7 @@ abstract class Element extends Node implements ElementTraversal native "*Element
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   ElementEvents get on =>
     new ElementEvents(this);
 
@@ -9602,6 +9613,7 @@ class _ElementFactoryProvider {
 // BSD-style license that can be found in the LICENSE file.
 
 
+@deprecated
 class ElementEvents extends Events {
   ElementEvents(EventTarget _ptr) : super(_ptr);
 
@@ -10204,6 +10216,7 @@ class EventSource extends EventTarget native "*EventSource" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   EventSourceEvents get on =>
     new EventSourceEvents(this);
 
@@ -10234,10 +10247,9 @@ class EventSource extends EventTarget native "*EventSource" {
   @DocsEditable
   void close() native;
 
-  @JSName('dispatchEvent')
   @DomName('EventSource.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('EventSource.removeEventListener')
@@ -10258,6 +10270,7 @@ class EventSource extends EventTarget native "*EventSource" {
 }
 
 @DocsEditable
+@deprecated
 class EventSourceEvents extends Events {
   @DocsEditable
   EventSourceEvents(EventTarget _ptr) : super(_ptr);
@@ -10325,7 +10338,7 @@ class EventListenerList {
   }
 
   bool dispatch(Event evt) {
-    return _ptr.$dom_dispatchEvent(evt);
+    return _ptr.dispatchEvent(evt);
   }
 
   void _add(EventListener listener, bool useCapture) {
@@ -10356,10 +10369,9 @@ class EventTarget native "*EventTarget" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('EventTarget.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @JSName('removeEventListener')
   @DomName('EventTarget.removeEventListener')
@@ -10805,6 +10817,7 @@ class FileReader extends EventTarget native "*FileReader" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   FileReaderEvents get on =>
     new FileReaderEvents(this);
 
@@ -10836,10 +10849,9 @@ class FileReader extends EventTarget native "*FileReader" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('FileReader.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('FileReader.readAsArrayBuffer')
   @DocsEditable
@@ -10889,6 +10901,7 @@ class FileReader extends EventTarget native "*FileReader" {
 }
 
 @DocsEditable
+@deprecated
 class FileReaderEvents extends Events {
   @DocsEditable
   FileReaderEvents(EventTarget _ptr) : super(_ptr);
@@ -11021,6 +11034,7 @@ class FileWriter extends EventTarget native "*FileWriter" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   FileWriterEvents get on =>
     new FileWriterEvents(this);
 
@@ -11055,10 +11069,9 @@ class FileWriter extends EventTarget native "*FileWriter" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('FileWriter.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('FileWriter.removeEventListener')
@@ -11103,6 +11116,7 @@ class FileWriter extends EventTarget native "*FileWriter" {
 }
 
 @DocsEditable
+@deprecated
 class FileWriterEvents extends Events {
   @DocsEditable
   FileWriterEvents(EventTarget _ptr) : super(_ptr);
@@ -12500,6 +12514,7 @@ class HttpRequest extends EventTarget native "*XMLHttpRequest" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   HttpRequestEvents get on =>
     new HttpRequestEvents(this);
 
@@ -12560,10 +12575,9 @@ class HttpRequest extends EventTarget native "*XMLHttpRequest" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('XMLHttpRequest.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('XMLHttpRequest.getAllResponseHeaders')
   @DocsEditable
@@ -12625,6 +12639,7 @@ class HttpRequest extends EventTarget native "*XMLHttpRequest" {
 }
 
 @DocsEditable
+@deprecated
 class HttpRequestEvents extends Events {
   @DocsEditable
   HttpRequestEvents(EventTarget _ptr) : super(_ptr);
@@ -12731,6 +12746,7 @@ class HttpRequestUpload extends EventTarget native "*XMLHttpRequestUpload" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   HttpRequestUploadEvents get on =>
     new HttpRequestUploadEvents(this);
 
@@ -12739,10 +12755,9 @@ class HttpRequestUpload extends EventTarget native "*XMLHttpRequestUpload" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('XMLHttpRequestUpload.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('XMLHttpRequestUpload.removeEventListener')
@@ -12775,6 +12790,7 @@ class HttpRequestUpload extends EventTarget native "*XMLHttpRequestUpload" {
 }
 
 @DocsEditable
+@deprecated
 class HttpRequestUploadEvents extends Events {
   @DocsEditable
   HttpRequestUploadEvents(EventTarget _ptr) : super(_ptr);
@@ -12984,6 +13000,7 @@ class InputElement extends Element implements
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   InputElementEvents get on =>
     new InputElementEvents(this);
 
@@ -13806,6 +13823,7 @@ abstract class ButtonInputElement implements InputElementBase {
 
 
 @DocsEditable
+@deprecated
 class InputElementEvents extends ElementEvents {
   @DocsEditable
   InputElementEvents(EventTarget _ptr) : super(_ptr);
@@ -14883,10 +14901,9 @@ class MediaController extends EventTarget native "*MediaController" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('MediaController.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('MediaController.pause')
   @DocsEditable
@@ -15016,6 +15033,7 @@ class MediaElement extends Element native "*HTMLMediaElement" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   MediaElementEvents get on =>
     new MediaElementEvents(this);
 
@@ -15299,6 +15317,7 @@ class MediaElement extends Element native "*HTMLMediaElement" {
 }
 
 @DocsEditable
+@deprecated
 class MediaElementEvents extends ElementEvents {
   @DocsEditable
   MediaElementEvents(EventTarget _ptr) : super(_ptr);
@@ -15566,10 +15585,9 @@ class MediaSource extends EventTarget native "*MediaSource" {
   @DocsEditable
   SourceBuffer addSourceBuffer(String type) native;
 
-  @JSName('dispatchEvent')
   @DomName('MediaSource.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('MediaSource.endOfStream')
   @DocsEditable
@@ -15603,6 +15621,7 @@ class MediaStream extends EventTarget native "*MediaStream" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   MediaStreamEvents get on =>
     new MediaStreamEvents(this);
 
@@ -15627,10 +15646,9 @@ class MediaStream extends EventTarget native "*MediaStream" {
   @DocsEditable
   void addTrack(MediaStreamTrack track) native;
 
-  @JSName('dispatchEvent')
   @DomName('MediaStream.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('MediaStream.getAudioTracks')
   @DocsEditable
@@ -15675,6 +15693,7 @@ class MediaStream extends EventTarget native "*MediaStream" {
 }
 
 @DocsEditable
+@deprecated
 class MediaStreamEvents extends Events {
   @DocsEditable
   MediaStreamEvents(EventTarget _ptr) : super(_ptr);
@@ -15727,6 +15746,7 @@ class MediaStreamTrack extends EventTarget native "*MediaStreamTrack" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   MediaStreamTrackEvents get on =>
     new MediaStreamTrackEvents(this);
 
@@ -15761,10 +15781,9 @@ class MediaStreamTrack extends EventTarget native "*MediaStreamTrack" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('MediaStreamTrack.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @JSName('removeEventListener')
   @DomName('MediaStreamTrack.removeEventListener')
@@ -15785,6 +15804,7 @@ class MediaStreamTrack extends EventTarget native "*MediaStreamTrack" {
 }
 
 @DocsEditable
+@deprecated
 class MediaStreamTrackEvents extends Events {
   @DocsEditable
   MediaStreamTrackEvents(EventTarget _ptr) : super(_ptr);
@@ -15929,6 +15949,7 @@ class MessagePort extends EventTarget native "*MessagePort" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   MessagePortEvents get on =>
     new MessagePortEvents(this);
 
@@ -15941,10 +15962,9 @@ class MessagePort extends EventTarget native "*MessagePort" {
   @DocsEditable
   void close() native;
 
-  @JSName('dispatchEvent')
   @DomName('MessagePort.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   void postMessage(/*any*/ message, [List messagePorts]) {
     if (?messagePorts) {
@@ -15980,6 +16000,7 @@ class MessagePort extends EventTarget native "*MessagePort" {
 }
 
 @DocsEditable
+@deprecated
 class MessagePortEvents extends Events {
   @DocsEditable
   MessagePortEvents(EventTarget _ptr) : super(_ptr);
@@ -17161,10 +17182,9 @@ class Node extends EventTarget native "*Node" {
   @DocsEditable
   bool contains(Node other) native;
 
-  @JSName('dispatchEvent')
   @DomName('Node.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('Node.hasChildNodes')
   @DocsEditable
@@ -17528,6 +17548,7 @@ class Notification extends EventTarget native "*Notification" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   NotificationEvents get on =>
     new NotificationEvents(this);
 
@@ -17560,10 +17581,9 @@ class Notification extends EventTarget native "*Notification" {
   @DocsEditable
   void close() native;
 
-  @JSName('dispatchEvent')
   @DomName('Notification.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('Notification.removeEventListener')
@@ -17600,6 +17620,7 @@ class Notification extends EventTarget native "*Notification" {
 }
 
 @DocsEditable
+@deprecated
 class NotificationEvents extends Events {
   @DocsEditable
   NotificationEvents(EventTarget _ptr) : super(_ptr);
@@ -18703,6 +18724,7 @@ class RtcDataChannel extends EventTarget native "*RTCDataChannel" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   RtcDataChannelEvents get on =>
     new RtcDataChannelEvents(this);
 
@@ -18735,10 +18757,9 @@ class RtcDataChannel extends EventTarget native "*RTCDataChannel" {
   @DocsEditable
   void close() native;
 
-  @JSName('dispatchEvent')
   @DomName('RTCDataChannel.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @JSName('removeEventListener')
   @DomName('RTCDataChannel.removeEventListener')
@@ -18767,6 +18788,7 @@ class RtcDataChannel extends EventTarget native "*RTCDataChannel" {
 }
 
 @DocsEditable
+@deprecated
 class RtcDataChannelEvents extends Events {
   @DocsEditable
   RtcDataChannelEvents(EventTarget _ptr) : super(_ptr);
@@ -18891,6 +18913,7 @@ class RtcPeerConnection extends EventTarget native "*RTCPeerConnection" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   RtcPeerConnectionEvents get on =>
     new RtcPeerConnectionEvents(this);
 
@@ -19009,10 +19032,9 @@ class RtcPeerConnection extends EventTarget native "*RTCPeerConnection" {
   @DocsEditable
   void _createOffer_2(RtcSessionDescriptionCallback successCallback, RtcErrorCallback failureCallback) native;
 
-  @JSName('dispatchEvent')
   @DomName('RTCPeerConnection.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('RTCPeerConnection.getStats')
   @DocsEditable
@@ -19097,6 +19119,7 @@ class RtcPeerConnection extends EventTarget native "*RTCPeerConnection" {
 }
 
 @DocsEditable
+@deprecated
 class RtcPeerConnectionEvents extends Events {
   @DocsEditable
   RtcPeerConnectionEvents(EventTarget _ptr) : super(_ptr);
@@ -19627,6 +19650,7 @@ class SharedWorkerContext extends WorkerContext native "*SharedWorkerContext" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   SharedWorkerContextEvents get on =>
     new SharedWorkerContextEvents(this);
 
@@ -19640,6 +19664,7 @@ class SharedWorkerContext extends WorkerContext native "*SharedWorkerContext" {
 }
 
 @DocsEditable
+@deprecated
 class SharedWorkerContextEvents extends WorkerContextEvents {
   @DocsEditable
   SharedWorkerContextEvents(EventTarget _ptr) : super(_ptr);
@@ -19858,10 +19883,9 @@ class SourceBufferList extends EventTarget implements JavaScriptIndexingBehavior
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('SourceBufferList.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('SourceBufferList.item')
   @DocsEditable
@@ -20220,6 +20244,7 @@ class SpeechRecognition extends EventTarget native "*SpeechRecognition" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   SpeechRecognitionEvents get on =>
     new SpeechRecognitionEvents(this);
 
@@ -20252,10 +20277,9 @@ class SpeechRecognition extends EventTarget native "*SpeechRecognition" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('SpeechRecognition.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('SpeechRecognition.removeEventListener')
@@ -20321,6 +20345,7 @@ class SpeechRecognition extends EventTarget native "*SpeechRecognition" {
 }
 
 @DocsEditable
+@deprecated
 class SpeechRecognitionEvents extends Events {
   @DocsEditable
   SpeechRecognitionEvents(EventTarget _ptr) : super(_ptr);
@@ -21396,6 +21421,7 @@ class TextTrack extends EventTarget native "*TextTrack" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   TextTrackEvents get on =>
     new TextTrackEvents(this);
 
@@ -21432,10 +21458,9 @@ class TextTrack extends EventTarget native "*TextTrack" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('TextTrack.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('TextTrack.removeCue')
   @DocsEditable
@@ -21452,6 +21477,7 @@ class TextTrack extends EventTarget native "*TextTrack" {
 }
 
 @DocsEditable
+@deprecated
 class TextTrackEvents extends Events {
   @DocsEditable
   TextTrackEvents(EventTarget _ptr) : super(_ptr);
@@ -21482,6 +21508,7 @@ class TextTrackCue extends EventTarget native "*TextTrackCue" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   TextTrackCueEvents get on =>
     new TextTrackCueEvents(this);
 
@@ -21538,10 +21565,9 @@ class TextTrackCue extends EventTarget native "*TextTrackCue" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('TextTrackCue.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('getCueAsHTML')
   @DomName('TextTrackCue.getCueAsHTML')
@@ -21563,6 +21589,7 @@ class TextTrackCue extends EventTarget native "*TextTrackCue" {
 }
 
 @DocsEditable
+@deprecated
 class TextTrackCueEvents extends Events {
   @DocsEditable
   TextTrackCueEvents(EventTarget _ptr) : super(_ptr);
@@ -21777,6 +21804,7 @@ class TextTrackList extends EventTarget implements JavaScriptIndexingBehavior, L
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   TextTrackListEvents get on =>
     new TextTrackListEvents(this);
 
@@ -21957,10 +21985,9 @@ class TextTrackList extends EventTarget implements JavaScriptIndexingBehavior, L
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('TextTrackList.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('TextTrackList.item')
   @DocsEditable
@@ -21977,6 +22004,7 @@ class TextTrackList extends EventTarget implements JavaScriptIndexingBehavior, L
 }
 
 @DocsEditable
+@deprecated
 class TextTrackListEvents extends Events {
   @DocsEditable
   TextTrackListEvents(EventTarget _ptr) : super(_ptr);
@@ -25033,10 +25061,9 @@ class WebKitNamedFlow extends EventTarget native "*WebKitNamedFlow" {
   @DocsEditable
   void $dom_addEventListener(String type, EventListener listener, [bool useCapture]) native;
 
-  @JSName('dispatchEvent')
   @DomName('WebKitNamedFlow.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event event) native;
+  bool dispatchEvent(Event event) native;
 
   @DomName('WebKitNamedFlow.getContent')
   @DocsEditable
@@ -25099,6 +25126,7 @@ class WebSocket extends EventTarget native "*WebSocket" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   WebSocketEvents get on =>
     new WebSocketEvents(this);
 
@@ -25148,10 +25176,9 @@ class WebSocket extends EventTarget native "*WebSocket" {
   @DocsEditable
   void close([int code, String reason]) native;
 
-  @JSName('dispatchEvent')
   @DomName('WebSocket.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @JSName('removeEventListener')
   @DomName('WebSocket.removeEventListener')
@@ -25180,6 +25207,7 @@ class WebSocket extends EventTarget native "*WebSocket" {
 }
 
 @DocsEditable
+@deprecated
 class WebSocketEvents extends Events {
   @DocsEditable
   WebSocketEvents(EventTarget _ptr) : super(_ptr);
@@ -25624,6 +25652,7 @@ class Window extends EventTarget implements WindowBase native "@*DOMWindow" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   WindowEvents get on =>
     new WindowEvents(this);
 
@@ -25867,10 +25896,9 @@ class Window extends EventTarget implements WindowBase native "@*DOMWindow" {
   @DocsEditable
   bool confirm(String message) native;
 
-  @JSName('dispatchEvent')
   @DomName('DOMWindow.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('DOMWindow.find')
   @DocsEditable
@@ -26223,6 +26251,7 @@ class Window extends EventTarget implements WindowBase native "@*DOMWindow" {
 }
 
 @DocsEditable
+@deprecated
 class WindowEvents extends Events {
   @DocsEditable
   WindowEvents(EventTarget _ptr) : super(_ptr);
@@ -26468,6 +26497,7 @@ class Worker extends AbstractWorker native "*Worker" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   WorkerEvents get on =>
     new WorkerEvents(this);
 
@@ -26500,6 +26530,7 @@ class Worker extends AbstractWorker native "*Worker" {
 }
 
 @DocsEditable
+@deprecated
 class WorkerEvents extends AbstractWorkerEvents {
   @DocsEditable
   WorkerEvents(EventTarget _ptr) : super(_ptr);
@@ -26521,6 +26552,7 @@ class WorkerContext extends EventTarget native "*WorkerContext" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   WorkerContextEvents get on =>
     new WorkerContextEvents(this);
 
@@ -26561,10 +26593,9 @@ class WorkerContext extends EventTarget native "*WorkerContext" {
   @DocsEditable
   void close() native;
 
-  @JSName('dispatchEvent')
   @DomName('WorkerContext.dispatchEvent')
   @DocsEditable
-  bool $dom_dispatchEvent(Event evt) native;
+  bool dispatchEvent(Event evt) native;
 
   @DomName('WorkerContext.importScripts')
   @DocsEditable
@@ -26641,6 +26672,7 @@ class WorkerContext extends EventTarget native "*WorkerContext" {
 }
 
 @DocsEditable
+@deprecated
 class WorkerContextEvents extends Events {
   @DocsEditable
   WorkerContextEvents(EventTarget _ptr) : super(_ptr);
@@ -27911,11 +27943,13 @@ class _FrameSetElement extends Element native "*HTMLFrameSetElement" {
 
   @DocsEditable
   @DomName('EventTarget.addEventListener, EventTarget.removeEventListener, EventTarget.dispatchEvent')
+  @deprecated
   _FrameSetElementEvents get on =>
     new _FrameSetElementEvents(this);
 }
 
 @DocsEditable
+@deprecated
 class _FrameSetElementEvents extends ElementEvents {
   @DocsEditable
   _FrameSetElementEvents(EventTarget _ptr) : super(_ptr);
@@ -31075,7 +31109,7 @@ get _isolateId => ReceivePortSync._isolateId;
 
 void _dispatchEvent(String receiver, var message) {
   var event = new CustomEvent(receiver, false, false, json.stringify(message));
-  window.$dom_dispatchEvent(event);
+  window.dispatchEvent(event);
 }
 
 String _getPortSyncEventData(CustomEvent event) => event.detail;