Expose RTCDataChannel and RTCDataChannelEvent (with constructor)

third_party/WebKit/Source/modules/peerconnection/RTCDataChannelEvent.cpp

 /*
  * 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
@@ skipping 15 matching lines @@
 
 namespace blink {
 
 RTCDataChannelEvent* RTCDataChannelEvent::create(const AtomicString& type,
                                                  bool canBubble,
                                                  bool cancelable,
                                                  RTCDataChannel* channel) {
   return new RTCDataChannelEvent(type, canBubble, cancelable, channel);
 }
 
+RTCDataChannelEvent* RTCDataChannelEvent::create(
+    const AtomicString& type,
+    const RTCDataChannelEventInit& initializer) {
+  return new RTCDataChannelEvent(type, initializer);
+}
+
 RTCDataChannelEvent::RTCDataChannelEvent(const AtomicString& type,
                                          bool canBubble,
                                          bool cancelable,
                                          RTCDataChannel* channel)
     : Event(type, canBubble, cancelable), m_channel(channel) {}
 
+RTCDataChannelEvent::RTCDataChannelEvent(
+    const AtomicString& type,
+    const RTCDataChannelEventInit& initializer)
+    : Event(type, initializer), m_channel(initializer.channel()) {}
+
 RTCDataChannelEvent::~RTCDataChannelEvent() {}
 
 RTCDataChannel* RTCDataChannelEvent::channel() const {
   return m_channel.get();
 }
 
 const AtomicString& RTCDataChannelEvent::interfaceName() const {
   return EventNames::RTCDataChannelEvent;
 }
 
 DEFINE_TRACE(RTCDataChannelEvent) {
   visitor->trace(m_channel);
   Event::trace(visitor);
 }
 
 }  // namespace blink