Make generated Callback bindings classes FINAL

Source/bindings/scripts/code_generator_v8.pm

 # Copyright (C) 2005, 2006 Nikolas Zimmermann <zimmermann@kde.org>
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # Copyright (C) 2006 Samuel Weinig <sam.weinig@gmail.com>
 # Copyright (C) 2006 Alexey Proskuryakov <ap@webkit.org>
 # Copyright (C) 2006 Apple Computer, Inc.
 # Copyright (C) 2007, 2008, 2009, 2012 Google Inc.
 # Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
 # Copyright (C) Research In Motion Limited 2010. All rights reserved.
 # Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
 # Copyright (C) 2012 Ericsson AB. All rights reserved.
@@ skipping 4859 matching lines @@
 
     my @includes = ();
     push(@includes, "bindings/v8/ActiveDOMCallback.h");
     push(@includes, "bindings/v8/DOMWrapperWorld.h");
     push(@includes, "bindings/v8/ScopedPersistent.h");
     push(@includes, HeaderFilesForInterface($interfaceName, $implClassName));
     for my $include (sort @includes) {
         $header{includes}->add("#include \"$include\"\n");
     }
     $header{nameSpaceWebCore}->addHeader("\nclass ExecutionContext;\n");
-    $header{class}->addHeader("class $v8ClassName : public $implClassName, public ActiveDOMCallback {");
+    $header{class}->addHeader("class $v8ClassName FINAL : public $implClassName, public ActiveDOMCallback {");
     $header{class}->addFooter("};\n");
 
     $header{classPublic}->add(<<END);
     static PassOwnPtr<${v8ClassName}> create(v8::Handle<v8::Function> callback, ExecutionContext* context)
     {
         ASSERT(context);
         return adoptPtr(new ${v8ClassName}(callback, context));
     }
 
     virtual ~${v8ClassName}();
 
 END
 
     # Functions
     my $numFunctions = @{$interface->functions};
     if ($numFunctions > 0) {
         foreach my $function (@{$interface->functions}) {
             my $code = "    virtual " . GetNativeTypeForCallbacks($function->type) . " " . $function->name . "(";
 
             my @args = ();
             if (ExtendedAttributeContains($function->extendedAttributes->{"CallWith"}, "ThisValue")) {
                 push(@args, GetNativeType("any") . " thisValue");
             }
             my @params = @{$function->parameters};
             foreach my $param (@params) {
                 push(@args, GetNativeTypeForCallbacks($param->type) . " " . $param->name);
             }
             $code .= join(", ", @args);
-            $code .= ");\n";
+            $code .= ") OVERRIDE;\n";
             $header{classPublic}->add($code);
         }
     }
 
     $header{classPrivate}->add(<<END);
     ${v8ClassName}(v8::Handle<v8::Function>, ExecutionContext*);
 
     ScopedPersistent<v8::Function> m_callback;
     RefPtr<DOMWrapperWorld> m_world;
 END
@@ skipping 1471 matching lines @@
         if ($parameter->type eq "SerializedScriptValue") {
             return 1;
         } elsif (IsIntegerType($parameter->type)) {
             return 1;
         }
     }
     return 0;
 }
 
 1;