IDL compiler: [CustomElementCallbacks] for getter + cleanup values

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 1709 matching lines @@
 }
 
 END
     $implementation{nameSpaceInternal}->add($code);
 }
 
 sub GenerateCustomElementInvocationScopeIfNeeded
 {
     my $code = "";
     my $ext = shift;
-    my $annotation = $ext->{"CustomElementCallbacks"} || "";
 
-    if ($annotation eq "None") {
-        # Explicit CustomElementCallbacks=None overrides any other
-        # heuristic.
-        return $code;
-    }
-
-    if ($annotation eq "Enable" or $ext->{"Reflect"}) {
+    if ($ext->{"CustomElementCallbacks"} or $ext->{"Reflect"}) {
         AddToImplIncludes("core/dom/custom/CustomElementCallbackDispatcher.h");
         $code .= <<END;
     CustomElementCallbackDispatcher::CallbackDeliveryScope deliveryScope;
 END
     }
     return $code;
 }
 
 sub GenerateNormalAttributeSetterCallback
 {
@@ skipping 4438 matching lines @@
 
     return 1 if $interface->extendedAttributes->{"CustomToV8"};
     return 1 if $interface->extendedAttributes->{"SpecialWrapFor"};
     return 1 if InheritsInterface($interface, "Document");
     return 1 if SVGTypeNeedsToHoldContextElement($interface->name);
 
     return 0;
 }
 
 1;