Web MIDI: MIDIPort doesn't have to be ActiveDOMObject

Source/modules/webmidi/MIDIAccess.cpp

 /*
  * 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 62 matching lines @@
     if (enable)
         m_accessor->startSession();
     else
         permissionDenied();
 }
 
 void MIDIAccess::didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version)
 {
     ASSERT(isMainThread());
 
-    m_inputs.append(MIDIInput::create(this, executionContext(), id, manufacturer, name, version));
+    m_inputs.append(MIDIInput::create(this, id, manufacturer, name, version));
 }
 
 void MIDIAccess::didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version)
 {
     ASSERT(isMainThread());
 
     unsigned portIndex = m_outputs.size();
-    m_outputs.append(MIDIOutput::create(this, portIndex, executionContext(), id, manufacturer, name, version));
+    m_outputs.append(MIDIOutput::create(this, portIndex, id, manufacturer, name, version));
 }
 
 void MIDIAccess::didStartSession(bool success)
 {
     ASSERT(isMainThread());
 
     m_hasAccess = success;
     if (success)
         m_promise->fulfill();
     else
@@ skipping 43 matching lines @@
 {
     m_hasAccess = false;
     if (!m_requesting)
         return;
     m_requesting = false;
     Document* document = toDocument(executionContext());
     ASSERT(document);
     MIDIController* controller = MIDIController::from(document->page());
     ASSERT(controller);
     controller->cancelSysExPermissionRequest(this);
-
-    m_accessor.clear();
 }
 
 void MIDIAccess::startRequest()
 {
     if (!m_promise->options()->sysex) {
         m_accessor->startSession();
         return;
     }
     Document* document = toDocument(executionContext());
     ASSERT(document);
     MIDIController* controller = MIDIController::from(document->page());
     if (controller) {
         m_requesting = true;
         controller->requestSysExPermission(this);
     } else {
         permissionDenied();
     }
 }
 
 void MIDIAccess::permissionDenied()
 {
     ASSERT(isMainThread());
 
     m_hasAccess = false;
     m_promise->reject(DOMError::create("SecurityError"));
 }
 
 } // namespace WebCore