Support Chrome roll.

lib/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 281 matching lines @@
         self._interface.id, ext_attrs, raises_dom_exceptions)
 
     runtime_check = None
     database = self._database
     assert (not (
       'synthesizedV8EnabledPerContext' in ext_attrs and
       'synthesizedV8EnabledAtRuntime' in ext_attrs))
     if 'synthesizedV8EnabledPerContext' in ext_attrs:
       raises_exceptions = True
       self._cpp_impl_includes.add('"ContextFeatures.h"')
+      self._cpp_impl_includes.add('"DOMWindow.h"')
       runtime_check = emitter.Format(
           '        if (!ContextFeatures::$(FEATURE)Enabled(DartUtilities::domWindowForCurrentIsolate()->document())) {\n'
           '            exception = Dart_NewString("Feature $FEATURE is not enabled");\n'
           '            goto fail;\n'
           '        }',
           FEATURE=ext_attrs['synthesizedV8EnabledPerContext'])
 
     if 'synthesizedV8EnabledAtRuntime' in ext_attrs:
       raises_exceptions = True
       self._cpp_impl_includes.add('"RuntimeEnabledFeatures.h"')
@@ skipping 757 matching lines @@
 
 def _IsArgumentOptionalInWebCore(argument):
   return IsOptional(argument) and not 'Callback' in argument.ext_attrs
 
 def _ToWebKitName(name):
   name = name[0].lower() + name[1:]
   name = re.sub(r'^(hTML|uRL|jS|xML|xSLT)', lambda s: s.group(1).lower(),
                 name)
   return re.sub(r'^(create|exclusive)', lambda s: 'is' + s.group(1).capitalize(),
                 name)