Implement MIDIOutput.send()

Source/modules/webmidi/MIDIOutput.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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef MIDIOutput_h
 #define MIDIOutput_h
 
 #include "modules/webmidi/MIDIPort.h"
+#include "wtf/RefPtr.h"
 #include "wtf/Uint8Array.h"
 
 namespace WebCore {
 
+class MIDIAccess;
 class ScriptExecutionContext;
 
 class MIDIOutput : public MIDIPort {
 public:
-    static PassRefPtr<MIDIOutput> create(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+    static PassRefPtr<MIDIOutput> create(MIDIAccess*, unsigned portIndex, ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
     virtual ~MIDIOutput() { }
 
-    void send(Uint8Array*, double timestamp = 0);
-    void send(Vector<unsigned>, double timestamp = 0);
+    void send(Uint8Array*, double timestamp, ExceptionCode&);
+    void send(Vector<unsigned>, double timestamp, ExceptionCode&);
+
+    // send() without optional |timestamp|.
+    void send(Uint8Array*, ExceptionCode&);
+    void send(Vector<unsigned>, ExceptionCode&);
 
 private:
-    MIDIOutput(ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+    MIDIOutput(MIDIAccess*, unsigned portIndex, ScriptExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version);
+
+    RefPtr<MIDIAccess> m_access;
+    unsigned m_portIndex;
 };
 
 typedef Vector<RefPtr<MIDIOutput> > MIDIOutputVector;
 
 } // namespace WebCore
 
 #endif // MIDIOutput_h