[Binding] Remove signature from domAttribute

Source/bindings/scripts/generate-bindings.pl

 #!/usr/bin/perl -w
 #
 # Copyright (C) 2005 Apple Computer, Inc.
 # Copyright (C) 2006 Anders Carlsson <andersca@mac.com>
 # 
 # This file is part of WebKit
 # 
 # This library is free software; you can redistribute it and/or
 # modify it under the terms of the GNU Library General Public
 # License as published by the Free Software Foundation; either
@@ skipping 129 matching lines @@
                 if ($interface->name eq $targetInterfaceName) {
                     $targetDataNode = $interface;
                     last;
                 }
             }
             die "Not found an interface ${targetInterfaceName} in ${targetInterfaceName}.idl." unless defined $targetDataNode;
 
             # Support for attributes of partial interfaces.
             foreach my $attribute (@{$interface->attributes}) {
                 # Record that this attribute is implemented by $interfaceName.
-                $attribute->signature->extendedAttributes->{"ImplementedBy"} = $interfaceName;
+                $attribute->extendedAttributes->{"ImplementedBy"} = $interfaceName;
 
                 # Add interface-wide extended attributes to each attribute.
-                applyInterfaceExtendedAttributes($interface, $attribute->signature->extendedAttributes);
+                applyInterfaceExtendedAttributes($interface, $attribute->extendedAttributes);
 
                 push(@{$targetDataNode->attributes}, $attribute);
             }
 
             # Support for methods of partial interfaces.
             foreach my $function (@{$interface->functions}) {
                 # Record that this method is implemented by $interfaceName.
                 $function->extendedAttributes->{"ImplementedBy"} = $interfaceName;
 
                 # Add interface-wide extended attributes to each method.
@@ skipping 89 matching lines @@
 sub checkIDLAttributes
 {
     my $idlAttributes = shift;
     my $document = shift;
     my $idlFile = shift;
 
     foreach my $interface (@{$document->interfaces}) {
         checkIfIDLAttributesExists($idlAttributes, $interface->extendedAttributes, $idlFile);
 
         foreach my $attribute (@{$interface->attributes}) {
-            checkIfIDLAttributesExists($idlAttributes, $attribute->signature->extendedAttributes, $idlFile);
+            checkIfIDLAttributesExists($idlAttributes, $attribute->extendedAttributes, $idlFile);
         }
 
         foreach my $function (@{$interface->functions}) {
             checkIfIDLAttributesExists($idlAttributes, $function->extendedAttributes, $idlFile);
             foreach my $parameter (@{$function->parameters}) {
                 checkIfIDLAttributesExists($idlAttributes, $parameter->extendedAttributes, $idlFile);
             }
         }
     }
 }
@@ skipping 30 matching lines @@
                 last OUTER;
             }
         }
     }
     if ($error) {
         die "IDL ATTRIBUTE CHECKER ERROR: $error
 If you want to add a new IDL attribute, you need to add it to bindings/scripts/IDLAttributes.txt and add explanations to the Blink IDL document (http://chromium.org/blink/webidl).
 ";
     }
 }