Web MIDI: implement MIDIOutput

Source/modules/webmidi/MIDIOutput.h

Index: Source/modules/webmidi/MIDIOutput.h
diff --git a/Source/modules/webmidi/MIDIErrorCallback.h b/Source/modules/webmidi/MIDIOutput.h
similarity index 73%
copy from Source/modules/webmidi/MIDIErrorCallback.h
copy to Source/modules/webmidi/MIDIOutput.h
index 3a0e41edbee99b7c447866ce544afa475c131c10..6269c4cd6ba343a6f3edabf53c8a4e8e16df151b 100644
--- a/Source/modules/webmidi/MIDIErrorCallback.h
+++ b/Source/modules/webmidi/MIDIOutput.h
@@ -28,26 +28,28 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef MIDIErrorCallback_h
-#define MIDIErrorCallback_h
+#ifndef MIDIOutput_h
+#define MIDIOutput_h
 
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+#include "modules/webmidi/MIDIPort.h"
+#include "wtf/Uint8Array.h"
 
 namespace WebCore {
 
-class DOMError;
 class ScriptExecutionContext;
 
-class MIDIErrorCallback : public RefCounted<MIDIErrorCallback> {
+class MIDIOutput : public MIDIPort {
 public:
-    virtual ~MIDIErrorCallback() { }
-    virtual bool handleEvent(DOMError*) = 0;
+    static PassRefPtr<MIDIOutput> create(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+    virtual ~MIDIOutput() { }
 
-    // Helper to post callback task.
-    void scheduleCallback(ScriptExecutionContext*, PassRefPtr<DOMError>);
+    void send(Uint8Array*, double timestamp = 0);
+    void send(Vector<unsigned>, double timestamp = 0);
+
+private:
+    MIDIOutput(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
 };
 
 } // namespace WebCore
 
-#endif // MIDIErrorCallback_h
+#endif // MIDIOutput_h