| Index: Source/modules/webmidi/MIDIOutput.h | 
| diff --git a/Source/modules/webmidi/MIDIOutput.h b/Source/modules/webmidi/MIDIOutput.h | 
| index 9f23c88adfbcc44d082daec4e908d95048d9618f..83b0065859d4f12fa609a84f2b4659a5429c9141 100644 | 
| --- a/Source/modules/webmidi/MIDIOutput.h | 
| +++ b/Source/modules/webmidi/MIDIOutput.h | 
| @@ -41,7 +41,7 @@ class ExceptionState; | 
| class MIDIAccess; | 
| class ExecutionContext; | 
|  | 
| -class MIDIOutput : public MIDIPort { | 
| +class MIDIOutput FINAL : public MIDIPort { | 
| public: | 
| static PassRefPtr<MIDIOutput> create(MIDIAccess*, unsigned portIndex, ExecutionContext*, const String& id, const String& manufacturer, const String& name, const String& version); | 
| virtual ~MIDIOutput(); | 
|  |