Replace OVERRIDE and FINAL with override and final in WebKit/public

Source/web/ExternalDateTimeChooser.cpp

Index: Source/web/ExternalDateTimeChooser.cpp
diff --git a/Source/web/ExternalDateTimeChooser.cpp b/Source/web/ExternalDateTimeChooser.cpp
index 4da6f50de9b39fa0236ebef34087cd70a2e618c9..f157472100999c6bdde5f159a0adcdd3ac99155a 100644
--- a/Source/web/ExternalDateTimeChooser.cpp
+++ b/Source/web/ExternalDateTimeChooser.cpp
@@ -45,19 +45,19 @@ public:
     }
 
 private:
-    virtual void didChooseValue(const WebString& value) OVERRIDE
+    virtual void didChooseValue(const WebString& value) override
     {
         m_chooser->didChooseValue(value);
         delete this;
     }
 
-    virtual void didChooseValue(double value) OVERRIDE
+    virtual void didChooseValue(double value) override
     {
         m_chooser->didChooseValue(value);
         delete this;
     }
 
-    virtual void didCancelChooser() OVERRIDE
+    virtual void didCancelChooser() override
     {
         m_chooser->didCancelChooser();
         delete this;