Add 'error' parameter to 'window.onerror' handlers.

Source/bindings/scripts/deprecated_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 2598 matching lines @@
     }
 }
 
 sub GenerateEventConstructor
 {
     my $interface = shift;
     my $implClassName = GetImplName($interface);
     my $v8ClassName = GetV8ClassName($interface);
 
     my @anyAttributeNames;
+    my @serializableAnyAttributeNames;
     foreach my $attribute (@{$interface->attributes}) {
         if ($attribute->type eq "any") {
             push(@anyAttributeNames, $attribute->name);
+            if (!$attribute->extendedAttributes->{"Unserializable"}) {
+                push(@serializableAnyAttributeNames, $attribute->name);
+            }
         }
     }
 
     AddToImplIncludes("bindings/v8/Dictionary.h");
     $implementation{nameSpaceInternal}->add(<<END);
 static void constructor(const v8::FunctionCallbackInfo<v8::Value>& args)
 {
     if (args.Length() < 1) {
         throwNotEnoughArgumentsError(args.GetIsolate());
         return;
@@ skipping 22 matching lines @@
             args.Holder()->SetHiddenValue(V8HiddenPropertyName::${attrName}(), ${attrName});
 END
     }
 
     $implementation{nameSpaceInternal}->add(<<END);
     }
 
     RefPtr<${implClassName}> event = ${implClassName}::create(type, eventInit);
 END
 
-    if (@anyAttributeNames) {
+    if (@serializableAnyAttributeNames) {
         # If we're in an isolated world, create a SerializedScriptValue and store it in the event for
         # later cloning if the property is accessed from another world.
         # The main world case is handled lazily (in Custom code).
         $implementation{nameSpaceInternal}->add("    if (isolatedWorldForIsolate(args.GetIsolate())) {\n");
-        foreach my $attrName (@anyAttributeNames) {
+        foreach my $attrName (@serializableAnyAttributeNames) {
             my $setter = "setSerialized" . FirstLetterToUpperCase($attrName);
             $implementation{nameSpaceInternal}->add(<<END);
         if (!${attrName}.IsEmpty())
             event->${setter}(SerializedScriptValue::createAndSwallowExceptions(${attrName}, args.GetIsolate()));
 END
         }
         $implementation{nameSpaceInternal}->add("    }\n\n");
     }
 
     $implementation{nameSpaceInternal}->add(<<END);
@@ skipping 3336 matching lines @@
         if ($currentInterface->extendedAttributes->{$extendedAttribute}) {
             $found = 1;
         }
         return 1 if $found;
     }, 0);
 
     return $found;
 }
 
 1;