Refresh dart:dom from WebKit.

client/dom/scripts/dartgenerator.py

 #!/usr/bin/python
 # Copyright (c) 2011, 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 generates Dart APIs from the IDL database."""
 
 import emitter
 import idlnode
 import logging
 import multiemitter
 import os
 import re
 import shutil
 
 _logger = logging.getLogger('dartgenerator')
 
 # IDL->Dart primitive types conversion.
 _idl_to_dart_type_conversions = {
     'any': 'Object',
+    'any[]': 'List',
     'custom': 'Dynamic',
     'boolean': 'bool',
     'DOMObject': 'Object',
     'DOMString': 'String',
     'DOMStringList': 'List<String>',
     'DOMTimeStamp': 'int',
     'Date': 'Date',
     # Map to num to enable callers to pass in Dart int, rational
     # types.  Our implementations will need to convert these to
     # doubles or floats as needed.
@@ skipping 1688 matching lines @@
     always dispatches.
     """
 
     def NullCheck(name):
       return '%s === null' % name
 
     def TypeCheck(name, type):
       return '%s is %s' % (name, type)
 
     if position == len(info.arg_infos):
-      assert len(overloads) == 1
+      if len(overloads) > 1:
+        raise Exception('Duplicate operations ' + str(overloads))
       operation = overloads[0]
       self.GenerateSingleOperation(emitter, info, indent, operation)
       return False
 
     # FIXME: Consider a simpler dispatch that iterates over the
     # overloads and generates an overload specific check.  Revisit
     # when we move to named optional arguments.
 
     # Partition the overloads to divide and conquer on the dispatch.
     positive = []
@@ skipping 274 matching lines @@
     Arguments:
       info: An OperationInfo object.
     """
     # TODO(vsm): Handle overloads.
     self._members_emitter.Emit(
         '\n'
         '  $TYPE $NAME($ARGS) native;\n',
         TYPE=info.type_name,
         NAME=info.name,
         ARGS=info.arg_implementation_declaration)