Update bindings classes to use OVERRIDE / FINAL when needed

Source/bindings/v8/V8AbstractEventListener.h

Index: Source/bindings/v8/V8AbstractEventListener.h
diff --git a/Source/bindings/v8/V8AbstractEventListener.h b/Source/bindings/v8/V8AbstractEventListener.h
index c605821ea6782c735cb0c9be600e106b09addc89..da8a80002e24e263f3d503f4f334e366e3dcd08e 100644
--- a/Source/bindings/v8/V8AbstractEventListener.h
+++ b/Source/bindings/v8/V8AbstractEventListener.h
@@ -69,9 +69,9 @@ namespace WebCore {
 
         // Implementation of EventListener interface.
 
-        virtual bool operator==(const EventListener& other) { return this == &other; }
+        virtual bool operator==(const EventListener& other) OVERRIDE { return this == &other; }
 
-        virtual void handleEvent(ExecutionContext*, Event*);
+        virtual void handleEvent(ExecutionContext*, Event*) OVERRIDE;
 
         virtual bool isLazy() const { return false; }