IDL: overload resolution for string and enumeration arguments

Source/bindings/scripts/idl_types.py

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 """IDL type handling.
 
 Classes:
 IdlType
 IdlUnionType
 """
 
@@ skipping 155 matching lines @@
 
     @property
     def is_integer_type(self):
         return self.base_type in INTEGER_TYPES and not self.array_or_sequence_type
 
     @property
     def is_numeric_type(self):
         return self.base_type in NUMERIC_TYPES and not self.array_or_sequence_type
 
     @property
+    def is_primitive_type(self):
+        return self.base_type in PRIMITIVE_TYPES and not self.array_or_sequence_type
+
+    @property
     def is_interface_type(self):
         # Anything that is not another type is an interface type.
         # http://www.w3.org/TR/WebIDL/#idl-types
         # http://www.w3.org/TR/WebIDL/#idl-interface
         # In C++ these are RefPtr or PassRefPtr types.
         return not(self.is_basic_type or
                    self.is_composite_type or
                    self.is_callback_function or
                    self.is_enum or
                    self.name == 'Object' or
@@ skipping 96 matching lines @@
 
     @property
     def is_integer_type(self):
         return False
 
     @property
     def is_numeric_type(self):
         return False
 
     @property
+    def is_primitivee_type(self):
+        return False
+
+    @property
     def is_sequence(self):
         # We do not support sequences of union types
         return False
 
     @property
     def is_union_type(self):
         return True
 
     @property
     def name(self):
         return 'Or'.join(member_type.name for member_type in self.member_types)
 
     def resolve_typedefs(self, typedefs):
         self.member_types = [
             typedefs.get(member_type, member_type)
             for member_type in self.member_types]
         return self