Add back appendBlob and send variants in WebSocket.

sdk/lib/html/dartium/html_dartium.dart

Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index b986ac284f3763dd3a753137341559985a5ff972..1710527b67b97ea310b57a91b48a6546672a8fd6 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -11446,7 +11446,11 @@ class FormData extends NativeFieldWrapperClass1 {
 
   @DomName('FormData.append')
   @DocsEditable()
-  void append(String name, value, [String filename]) native "FormData_append_Callback";
+  void append(String name, String value) native "FormData_append_Callback";
+
+  @DomName('FormData.appendBlob')
+  @DocsEditable()
+  void appendBlob(String name, Blob value, [String filename]) native "FormData_appendBlob_Callback";
 
 }
 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
@@ -24794,6 +24798,22 @@ class WebSocket extends EventTarget {
   @DocsEditable()
   void send(data) native "WebSocket_send_Callback";
 
+  @DomName('WebSocket.sendBlob')
+  @DocsEditable()
+  void sendBlob(Blob data) native "WebSocket_sendBlob_Callback";
+
+  @DomName('WebSocket.sendByteBuffer')
+  @DocsEditable()
+  void sendByteBuffer(ByteBuffer data) native "WebSocket_sendByteBuffer_Callback";
+
+  @DomName('WebSocket.sendString')
+  @DocsEditable()
+  void sendString(String data) native "WebSocket_sendString_Callback";
+
+  @DomName('WebSocket.sendTypeData')
+  @DocsEditable()
+  void sendTypeData(TypedData data) native "WebSocket_sendTypeData_Callback";
+
   @DomName('WebSocket.onclose')
   @DocsEditable()
   Stream<CloseEvent> get onClose => closeEvent.forTarget(this);