MediaStream API: Update RTCDataChannel to match the specification

Source/modules/mediastream/RTCDataChannel.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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 [
     NoInterfaceObject
 ] interface RTCDataChannel : EventTarget {
     readonly attribute DOMString label;
+
+    // DEPRECATED
     readonly attribute boolean reliable;
+
+    readonly attribute boolean ordered;
+    readonly attribute unsigned short maxRetransmitTime;
+    readonly attribute unsigned short maxRetransmits;
+    readonly attribute DOMString protocol;
+    readonly attribute boolean negotiated;
+    readonly attribute unsigned short id;
+    
     readonly attribute DOMString readyState;
     readonly attribute unsigned long bufferedAmount;
 
     [SetterRaisesException] attribute DOMString binaryType;
 
     [RaisesException] void send(ArrayBuffer data);
     [RaisesException] void send(ArrayBufferView data);
     [RaisesException] void send(Blob data);
     [RaisesException] void send(DOMString data);
 
     void close();
 
     attribute EventListener onopen;
     attribute EventListener onerror;
     attribute EventListener onclose;
     attribute EventListener onmessage;
 };