Introduce MIDIInputMap and MIDIOutputMap.

Source/modules/webmidi/MIDIAccess.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 19 matching lines @@
 
 #ifndef MIDIAccess_h
 #define MIDIAccess_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "modules/EventTargetModules.h"
 #include "modules/webmidi/MIDIAccessInitializer.h"
 #include "modules/webmidi/MIDIAccessor.h"
 #include "modules/webmidi/MIDIAccessorClient.h"
-#include "modules/webmidi/MIDIInput.h"
-#include "modules/webmidi/MIDIOutput.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
 class ExecutionContext;
+class MIDIInput;
+class MIDIInputMap;
+class MIDIOutput;
+class MIDIOutputMap;
 struct MIDIOptions;
 
 class MIDIAccess FINAL : public RefCountedGarbageCollectedWillBeGarbageCollectedFinalized<MIDIAccess>, public ActiveDOMObject, public EventTargetWithInlineData, public MIDIAccessorClient {
     DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<MIDIAccess>);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(MIDIAccess);
 public:
     static MIDIAccess* create(PassOwnPtr<MIDIAccessor> accessor, bool sysexEnabled, const Vector<MIDIAccessInitializer::PortDescriptor>& ports, ExecutionContext* executionContext)
     {
         MIDIAccess* access = new MIDIAccess(accessor, sysexEnabled, ports, executionContext);
         access->suspendIfNeeded();
         return access;
     }
     virtual ~MIDIAccess();
 
-    MIDIInputVector inputs() const { return m_inputs; }
-    MIDIOutputVector outputs() const { return m_outputs; }
+    MIDIInputMap* inputs() const;
+    MIDIOutputMap* outputs() const;
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(connect);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(disconnect);
 
     bool sysexEnabled() const { return m_sysexEnabled; }
 
     // EventTarget
     virtual const AtomicString& interfaceName() const OVERRIDE { return EventTargetNames::MIDIAccess; }
     virtual ExecutionContext* executionContext() const OVERRIDE { return ActiveDOMObject::executionContext(); }
 
@@ skipping 14 matching lines @@
     // |timeStampInMilliseconds| is in the same time coordinate system as performance.now().
     void sendMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStampInMilliseconds);
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
     MIDIAccess(PassOwnPtr<MIDIAccessor>, bool sysexEnabled, const Vector<MIDIAccessInitializer::PortDescriptor>&, ExecutionContext*);
 
     OwnPtr<MIDIAccessor> m_accessor;
     bool m_sysexEnabled;
-    MIDIInputVector m_inputs;
-    MIDIOutputVector m_outputs;
+    HeapVector<Member<MIDIInput> > m_inputs;
+    HeapVector<Member<MIDIOutput> > m_outputs;
 };
 
 } // namespace blink
 
 #endif // MIDIAccess_h