Web MIDI: tentative sysex check for receiving messages

Source/modules/webmidi/MIDIInput.h

Index: Source/modules/webmidi/MIDIInput.h
diff --git a/Source/modules/webmidi/MIDIInput.h b/Source/modules/webmidi/MIDIInput.h
index 4c560d5b3cedd929ec1d0798e7d85e23a5bf6c15..d37f643fc53f007841c13a826b78db5f51f0a264 100644
--- a/Source/modules/webmidi/MIDIInput.h
+++ b/Source/modules/webmidi/MIDIInput.h
@@ -33,15 +33,17 @@
 
 #include "core/dom/EventTarget.h"
 #include "modules/webmidi/MIDIPort.h"
+#include "wtf/RefPtr.h"
 
 namespace WebCore {
 
+class MIDIAccess;
 class ScriptExecutionContext;
 
 class MIDIInput : public MIDIPort {
 public:
-    static PassRefPtr<MIDIInput> create(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
-    virtual ~MIDIInput() { }
+    static PassRefPtr<MIDIInput> create(MIDIAccess*, ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+    virtual ~MIDIInput();
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(midimessage);
 
@@ -52,7 +54,9 @@ public:
     void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp);
 
 private:
-    MIDIInput(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+    MIDIInput(MIDIAccess*, ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+
+    RefPtr<MIDIAccess> m_access;
 };
 
 typedef Vector<RefPtr<MIDIInput> > MIDIInputVector;