Oilpan: have xml/ objects on the heap by default.

Source/bindings/scripts/v8_types.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 94 matching lines @@
     'unsigned short',
 ])
 CPP_SPECIAL_CONVERSION_RULES = {
     'Date': 'double',
     'Dictionary': 'Dictionary',
     'EventHandler': 'EventListener*',
     'NodeFilter': 'RefPtrWillBeRawPtr<NodeFilter>',
     'Promise': 'ScriptPromise',
     'ScriptValue': 'ScriptValue',
     # FIXME: Eliminate custom bindings for XPathNSResolver  http://crbug.com/345529
-    'XPathNSResolver': 'RefPtrWillBeRawPtr<XPathNSResolver>',
+    'XPathNSResolver': 'RawPtr<XPathNSResolver>',

[haraken, 2015/04/26 15:36:23]

Doesn't XPathNSResolver* work?

[sof, 2015/04/26 21:23:40]

That's the type we want in the end.

But in the general case it runs up against the code generator's assumption that
a pointer to an interface type is something you can call release() on. I think
it will have to wait until that assumption is dropped -- added another
XPathNSResolver usage to TestObject.idl.

     'boolean': 'bool',
     'unrestricted double': 'double',
     'unrestricted float': 'float',
 }
 
 
 def cpp_type(idl_type, extended_attributes=None, raw_type=False, used_as_rvalue_type=False, used_as_variadic_argument=False, used_in_cpp_sequence=False):
     """Returns C++ type corresponding to IDL type.
 
     |idl_type| argument is of type IdlType, while return value is a string
@@ skipping 848 matching lines @@
     number_of_nullable_member_types_union)
 
 
 def includes_nullable_type_union(idl_type):
     # http://heycam.github.io/webidl/#dfn-includes-a-nullable-type
     return idl_type.number_of_nullable_member_types == 1
 
 IdlTypeBase.includes_nullable_type = False
 IdlNullableType.includes_nullable_type = True
 IdlUnionType.includes_nullable_type = property(includes_nullable_type_union)