Use Reflect on attributes in xml namespace

Source/bindings/scripts/v8_attributes.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 # copyright notice, this list of conditions and the following disclaimer
@@ skipping 392 matching lines @@
     arguments.append(scoped_content_attribute_name(interface, attribute))
 
     base_idl_type = attribute.idl_type.base_type
     if base_idl_type in CONTENT_ATTRIBUTE_SETTER_NAMES:
         return CONTENT_ATTRIBUTE_SETTER_NAMES[base_idl_type]
     return 'setAttribute'
 
 
 def scoped_content_attribute_name(interface, attribute):
     content_attribute_name = attribute.extended_attributes['Reflect'] or attribute.name.lower()
-    namespace = 'SVGNames' if interface.name.startswith('SVG') else 'HTMLNames'
+    if interface.name.startswith('SVG'):
+        # SVG's xmlbase/xmlspace/xmllang need special behavior, i.e.
+        # it is in XMLNames namespace and the generated attribute has no xml prefix.
+        if attribute.name.startswith('xml'):
+            namespace = 'XMLNames'
+            content_attribute_name = content_attribute_name[3:]
+        else:
+            namespace = 'SVGNames'
+    else:
+        namespace = 'HTMLNames'
     includes.add('core/%s.h' % namespace)
     return '%s::%sAttr' % (namespace, content_attribute_name)
 
 
 ################################################################################
 # Attribute configuration
 ################################################################################
 
 # [Replaceable]
 def setter_callback_name(interface, attribute):
@@ skipping 47 matching lines @@
     lambda self: strip_suffix(self.base_type, 'Constructor'))
 
 
 def is_constructor_attribute(attribute):
     # FIXME: replace this with [ConstructorAttribute] extended attribute
     return attribute.idl_type.base_type.endswith('Constructor')
 
 
 def constructor_getter_context(interface, attribute, context):
     context['needs_constructor_getter_callback'] = context['measure_as'] or context['deprecate_as']