Web MIDI: implement implicit open() on send() and setOnmidimessage()

Source/modules/webmidi/MIDIPort.h

Index: Source/modules/webmidi/MIDIPort.h
diff --git a/Source/modules/webmidi/MIDIPort.h b/Source/modules/webmidi/MIDIPort.h
index 12babafdc56aaab9827cad35a03cd99d89fe24f5..5c0c0fc2c3469043b92e10957748c1f0246db685 100644
--- a/Source/modules/webmidi/MIDIPort.h
+++ b/Source/modules/webmidi/MIDIPort.h
@@ -76,15 +76,18 @@ public:
     virtual ExecutionContext* executionContext() const override final;
 
 protected:
-    MIDIPort(MIDIAccess*, const String& id, const String& manufacturer, const String& name, TypeCode, const String& version, MIDIAccessor::MIDIPortState);
-
-private:
     enum ConnectionState {
         ConnectionStateOpen,
         ConnectionStateClosed,
         ConnectionStatePending
     };
 
+    MIDIPort(MIDIAccess*, const String& id, const String& manufacturer, const String& name, TypeCode, const String& version, MIDIAccessor::MIDIPortState);
+    ConnectionState getConnection() const { return m_connection; }

[yhirano, 2015/04/02 02:15:10]

I think this function can be public.

[Takashi Toyoshima, 2015/04/02 04:03:21]

Done.

+
+    void open();
+
+private:
     ScriptPromise accept(ScriptState*);
     ScriptPromise reject(ScriptState*, ExceptionCode, const String& message);