Support for Chrome roll.

lib/html/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 789 matching lines @@
     if not IsOptional(argument):
       return False
     if 'Callback' in argument.ext_attrs:
       return False
     if operation.id in ['addEventListener', 'removeEventListener'] and argument.id == 'useCapture':
       return False
     # Another option would be to adjust in IDLs, but let's keep it here for now
     # as it's a single instance.
     if self._interface.id == 'CSSStyleDeclaration' and operation.id == 'setProperty' and argument.id == 'priority':
       return False
+    if argument.type.id == 'Dictionary':
+      return False
     return True
 
   def _GenerateCPPIncludes(self, includes):
     return ''.join(['#include %s\n' % include for include in sorted(includes)])
 
   def _ToWebKitName(self, 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)',
@@ skipping 38 matching lines @@
   def EmitResolver(self, template, output_dir):
     file_path = os.path.join(output_dir, 'DartResolver.cpp')
     includes_emitter, body_emitter = self._emitters.FileEmitter(file_path).Emit(template)
     for header_file in self._headers_list:
       path = os.path.relpath(header_file, output_dir)
       includes_emitter.Emit('#include "$PATH"\n', PATH=path)
       body_emitter.Emit(
           '    if (Dart_NativeFunction func = $CLASS_NAME::resolver(name, argumentCount))\n'
           '        return func;\n',
           CLASS_NAME=os.path.splitext(os.path.basename(path))[0])