Modernizing HttpRequest documentation.

tools/dom/scripts/systemnative.py

 #!/usr/bin/python
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """This module provides shared functionality for the systems to generate
 native binding from the IDL database."""
 
 import emitter
 import os
@@ skipping 223 matching lines @@
         '    if (name == "$ID")\n'
         '        return Dart$(WEBKIT_INTERFACE_NAME)Internal::$CPP_CALLBACK;\n',
         ID=constructor_callback_id,
         WEBKIT_INTERFACE_NAME=self._interface.id,
         CPP_CALLBACK=constructor_callback_cpp_name)
 
   def GenerateCustomFactory(self, constructor_info):
     if 'CustomConstructor' not in self._interface.ext_attrs:
         return False
 
+    annotations = self._metadata.GetFormattedMetadata(self._library_name,
+        self._interface, self._interface.id, '  ')
+
     self._members_emitter.Emit(
-        '  factory $CTOR($PARAMS) => _create($FACTORY_PARAMS);\n',
+        '\n  $(ANNOTATIONS)factory $CTOR($PARAMS) => _create($FACTORY_PARAMS);\n',
+        ANNOTATIONS=annotations,
         CTOR=constructor_info._ConstructorFullName(self._DartType),
         PARAMS=constructor_info.ParametersDeclaration(self._DartType),
         FACTORY_PARAMS= \
             constructor_info.ParametersAsArgumentList())
 
     constructor_callback_cpp_name = 'constructorCallback'
     self._EmitConstructorInfrastructure(
         constructor_info, constructor_callback_cpp_name, '_create')
 
     self._cpp_declarations_emitter.Emit(
@@ skipping 760 matching lines @@
             '    if (Dart_NativeFunction func = $CLASS_NAME::resolver(name, argumentCount))\n'
             '        return func;\n',
             CLASS_NAME=os.path.splitext(os.path.basename(path))[0])
 
 def _IsOptionalStringArgumentInInitEventMethod(interface, operation, argument):
   return (
       interface.id.endswith('Event') and
       operation.id.startswith('init') and
       argument.ext_attrs.get('Default') == 'Undefined' and
       argument.type.id == 'DOMString')