Web MIDI: implement MIDIPort

Source/core/dom/EventNames.h

 /*
  * Copyright (C) 2005, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Jon Shier (jshier@iastate.edu)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 40 matching lines @@
     macro(compositionstart) \
     macro(compositionupdate) \
     macro(connect) \
     macro(contextmenu) \
     macro(copy) \
     macro(cut) \
     macro(dblclick) \
     macro(devicemotion) \
     macro(deviceorientation) \
     macro(dischargingtimechange) \
+    macro(disconnect) \
     macro(display) \
     macro(downloading) \
     macro(drag) \
     macro(dragend) \
     macro(dragenter) \
     macro(dragleave) \
     macro(dragover) \
     macro(dragstart) \
     macro(drop) \
     macro(error) \
@@ skipping 240 matching lines @@
     };
 
     inline EventNames& eventNames()
     {
         return threadGlobalData().eventNames();
     }
 
 }
 
 #endif