Replace FINAL and OVERRIDE with their C++11 counterparts in Source/modules/webmidi

Source/modules/webmidi/MIDIAccessInitializer.h

Index: Source/modules/webmidi/MIDIAccessInitializer.h
diff --git a/Source/modules/webmidi/MIDIAccessInitializer.h b/Source/modules/webmidi/MIDIAccessInitializer.h
index e6ef5bfb36da5b3f86a7921352871be338a86652..691224f619f89f1e8ee02e3de4d6d12c7713b7fb 100644
--- a/Source/modules/webmidi/MIDIAccessInitializer.h
+++ b/Source/modules/webmidi/MIDIAccessInitializer.h
@@ -48,10 +48,10 @@ public:
     virtual ~MIDIAccessInitializer();
 
     // MIDIAccessorClient
-    virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
-    virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) OVERRIDE;
-    virtual void didStartSession(bool success, const String& error, const String& message) OVERRIDE;
-    virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) OVERRIDE { }
+    virtual void didAddInputPort(const String& id, const String& manufacturer, const String& name, const String& version) override;
+    virtual void didAddOutputPort(const String& id, const String& manufacturer, const String& name, const String& version) override;
+    virtual void didStartSession(bool success, const String& error, const String& message) override;
+    virtual void didReceiveMIDIData(unsigned portIndex, const unsigned char* data, size_t length, double timeStamp) override { }
 
     void resolveSysexPermission(bool allowed);
     SecurityOrigin* securityOrigin() const;