Added Dartium changes onto 45.0.2454.104

Source/bindings/scripts/idl_reader.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 57 matching lines @@
                 'No definition found in %s' % idl_filename)
         return
     target = targets[0]
     if not target.is_partial and target.name != idl_file_basename:
         raise Exception(
             'Definition name "{0}" disagrees with IDL file basename "{1}".'
             .format(target.name, idl_file_basename))
 
 
 class IdlReader(object):
-    def __init__(self, interfaces_info=None, outputdir=''):
+    def __init__(self, interfaces_info=None, outputdir='', multi_interface=False):
+        self.multi_interface = multi_interface
         self.extended_attribute_validator = IDLExtendedAttributeValidator()
         self.interfaces_info = interfaces_info
 
         if interfaces_info:
             self.interface_dependency_resolver = InterfaceDependencyResolver(interfaces_info, self)
         else:
             self.interface_dependency_resolver = None
 
         self.parser = BlinkIDLParser(outputdir=outputdir)
 
@@ skipping 17 matching lines @@
 
         The IdlDefinitions object is guaranteed to contain a single
         IdlInterface; it may also contain other definitions, such as
         callback functions and enumerations."""
         ast = blink_idl_parser.parse_file(self.parser, idl_filename)
         if not ast:
             raise Exception('Failed to parse %s' % idl_filename)
         idl_file_basename, _ = os.path.splitext(os.path.basename(idl_filename))
         definitions = IdlDefinitions(idl_file_basename, ast)
 
-        validate_blink_idl_definitions(
-            idl_filename, idl_file_basename, definitions)
+        if not self.multi_interface:
+            validate_blink_idl_definitions(idl_filename, idl_file_basename, definitions)
+        else:
+            if len(definitions.interfaces) > 1:
+                print '----- Supplemental interfaces %s' % len(definitions.interfaces)
 
         # Validate extended attributes
         if not self.extended_attribute_validator:
             return definitions
 
         try:
             self.extended_attribute_validator.validate_extended_attributes(definitions)
         except IDLInvalidExtendedAttributeError as error:
             raise IDLInvalidExtendedAttributeError("""
 IDL ATTRIBUTE ERROR in file:
 %s:
     %s
 If you want to add a new IDL extended attribute, please add it to:
     %s
 and add an explanation to the Blink IDL documentation at:
     http://www.chromium.org/blink/webidl/blink-idl-extended-attributes
     """ % (idl_filename, str(error), EXTENDED_ATTRIBUTES_RELATIVE_PATH))
 
         return definitions