Web MIDI: dispatch MIDIConnectionEvent

Source/modules/webmidi/MIDIConnectionEvent.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 #include "modules/EventModules.h"
 #include "modules/webmidi/MIDIPort.h"
 
 namespace blink {
 
 class MIDIConnectionEventInit;
 
 class MIDIConnectionEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create();
-    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create(const AtomicString&, MIDIPort*);
-    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create(const AtomicString&, const MIDIConnectionEventInit&);
+    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create()
+    {
+        return adoptRefWillBeNoop(new MIDIConnectionEvent());
+    }
+
+    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create(MIDIPort* port)
+    {
+        return adoptRefWillBeNoop(new MIDIConnectionEvent(port));
+    }
+
+    static PassRefPtrWillBeRawPtr<MIDIConnectionEvent> create(const AtomicString& type, const MIDIConnectionEventInit& initializer)
+    {
+        return adoptRefWillBeNoop(new MIDIConnectionEvent(type, initializer));
+    }
 
     MIDIPort* port() { return m_port; }
 
     virtual const AtomicString& interfaceName() const override { return EventNames::MIDIConnectionEvent; }
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    MIDIConnectionEvent();
-    MIDIConnectionEvent(const AtomicString&, MIDIPort*);
+    MIDIConnectionEvent()
+        : Event(EventTypeNames::statechange, false, false) { }
+
+    MIDIConnectionEvent(MIDIPort* port)
+        : Event(EventTypeNames::statechange, false, false)
+        , m_port(port) { }
+
     MIDIConnectionEvent(const AtomicString&, const MIDIConnectionEventInit&);
 
     PersistentWillBeMember<MIDIPort> m_port;
 };
 
 } // namespace blink
 
 #endif // MIDIConnectionEvent_h