Have bindings layer assume and insist that all interface types are GCed.

third_party/WebKit/Source/bindings/scripts/v8_interface.py

 # Copyright (C) 2013 Google Inc. All rights reserved.
 # coding=utf-8
 #
 # 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
@@ skipping 28 matching lines @@
 import idl_definitions
 from idl_definitions import IdlOperation, IdlArgument
 import idl_types
 from idl_types import IdlType, inherits_interface
 import v8_attributes
 from v8_globals import includes
 import v8_methods
 import v8_types
 from v8_types import cpp_ptr_type, cpp_template_type
 import v8_utilities
-from v8_utilities import (cpp_name_or_partial, capitalize, cpp_name, gc_type,
+from v8_utilities import (cpp_name_or_partial, capitalize, cpp_name,
                           has_extended_attribute_value, runtime_enabled_function_name,
                           extended_attribute_value_as_list, is_legacy_interface_type_checking)
 
 
 INTERFACE_H_INCLUDES = frozenset([
     'bindings/core/v8/ScriptWrappable.h',
     'bindings/core/v8/ToV8.h',
     'bindings/core/v8/V8Binding.h',
     'bindings/core/v8/V8DOMWrapper.h',
     'bindings/core/v8/WrapperTypeInfo.h',
@@ skipping 83 matching lines @@
             'idl_type': set_wrapper_reference_to_argument.idl_type,
             'v8_type': v8_types.v8_type(set_wrapper_reference_to_argument.idl_type.name),
         }
         set_wrapper_reference_to['idl_type'].add_includes_for_type()
 
     # [SetWrapperReferenceFrom]
     has_visit_dom_wrapper = (
         has_extended_attribute_value(interface, 'Custom', 'VisitDOMWrapper') or
         set_wrapper_reference_from or set_wrapper_reference_to)
 
-    this_gc_type = gc_type(interface)
-
     wrapper_class_id = ('NodeClassId' if inherits_interface(interface.name, 'Node') else 'ObjectClassId')
 
     v8_class_name = v8_utilities.v8_class_name(interface)
     cpp_class_name = cpp_name(interface)
     cpp_class_name_or_partial = cpp_name_or_partial(interface)
     v8_class_name_or_partial = v8_utilities.v8_class_name_or_partial(interface)
 
     context = {
         'cpp_class': cpp_class_name,
         'cpp_class_or_partial': cpp_class_name_or_partial,
         'event_target_inheritance': 'InheritFromEventTarget' if is_event_target else 'NotInheritFromEventTarget',
-        'gc_type': this_gc_type,
+        'is_gc_type': True,
         # FIXME: Remove 'EventTarget' special handling, http://crbug.com/383699
         'has_access_check_callbacks': (is_check_security and
                                        interface.name != 'Window' and
                                        interface.name != 'EventTarget'),
         'has_custom_legacy_call_as_function': has_extended_attribute_value(interface, 'Custom', 'LegacyCallAsFunction'),  # [Custom=LegacyCallAsFunction]
         'has_partial_interface': len(interface.partial_interfaces) > 0,
         'has_visit_dom_wrapper': has_visit_dom_wrapper,
         'header_includes': header_includes,
         'interface_name': interface.name,
         'is_array_buffer_or_view': is_array_buffer_or_view,
         'is_check_security': is_check_security,
         'is_event_target': is_event_target,
         'is_exception': interface.is_exception,
         'is_global': is_global,
         'is_node': inherits_interface(interface.name, 'Node'),
         'is_partial': interface.is_partial,
         'is_typed_array_type': is_typed_array_type,
         'lifetime': 'Dependent' if (has_visit_dom_wrapper or is_dependent_lifetime) else 'Independent',
         'measure_as': v8_utilities.measure_as(interface, None),  # [MeasureAs]
         'origin_trial_enabled_function': v8_utilities.origin_trial_enabled_function_name(interface, None),
         'parent_interface': parent_interface,
-        'pass_cpp_type': cpp_template_type(
-            cpp_ptr_type('PassRefPtr', 'RawPtr', this_gc_type),
-            cpp_name(interface)),
+        'pass_cpp_type': cpp_name(interface) + '*',
         'active_scriptwrappable': active_scriptwrappable,
         'runtime_enabled_function': runtime_enabled_function_name(interface),  # [RuntimeEnabled]
         'set_wrapper_reference_from': set_wrapper_reference_from,
         'set_wrapper_reference_to': set_wrapper_reference_to,
         'v8_class': v8_class_name,
         'v8_class_or_partial': v8_class_name_or_partial,
         'wrapper_class_id': wrapper_class_id,
     }
 
     # Constructors
@@ skipping 1016 matching lines @@
     # [RaisesException=Constructor]
     is_constructor_raises_exception = \
         interface.extended_attributes.get('RaisesException') == 'Constructor'
 
     argument_contexts = [
         v8_methods.argument_context(interface, constructor, argument, index)
         for index, argument in enumerate(constructor.arguments)]
 
     return {
         'arguments': argument_contexts,
-        'cpp_type': cpp_template_type(
-            cpp_ptr_type('RefPtr', 'RawPtr', gc_type(interface)),
-            cpp_name(interface)),
+        'cpp_type': cpp_name(interface) + '*',
         'cpp_value': v8_methods.cpp_value(
             interface, constructor, len(constructor.arguments)),
         'has_exception_state':
             is_constructor_raises_exception or
             any(argument for argument in constructor.arguments
                 if argument.idl_type.name == 'SerializedScriptValue' or
                    argument.idl_type.v8_conversion_needs_exception_state),
         'has_optional_argument_without_default_value':
             any(True for argument_context in argument_contexts
                 if argument_context['is_optional_without_default_value']),
@@ skipping 98 matching lines @@
              has_extended_attribute_value(getter, 'Custom', 'PropertyGetter')),
         'is_custom_property_enumerator': has_extended_attribute_value(
             getter, 'Custom', 'PropertyEnumerator'),
         'is_custom_property_query': has_extended_attribute_value(
             getter, 'Custom', 'PropertyQuery'),
         'is_enumerable': 'NotEnumerable' not in extended_attributes,
         'is_null_expression': is_null_expression(idl_type),
         'is_raises_exception': is_raises_exception,
         'name': cpp_name(getter),
         'use_output_parameter_for_result': use_output_parameter_for_result,
-        'v8_set_return_value': idl_type.v8_set_return_value('result', extended_attributes=extended_attributes, script_wrappable='impl', release=idl_type.release),
+        'v8_set_return_value': idl_type.v8_set_return_value('result', extended_attributes=extended_attributes, script_wrappable='impl'),
     }
 
 
 def property_setter(setter, interface):
     if not setter:
         return None
 
     extended_attributes = setter.extended_attributes
     idl_type = setter.arguments[1].idl_type
     idl_type.add_includes_for_type(extended_attributes)
@@ skipping 26 matching lines @@
 
     extended_attributes = deleter.extended_attributes
     idl_type = deleter.idl_type
     is_call_with_script_state = v8_utilities.has_extended_attribute_value(deleter, 'CallWith', 'ScriptState')
     return {
         'is_call_with_script_state': is_call_with_script_state,
         'is_custom': 'Custom' in extended_attributes,
         'is_raises_exception': 'RaisesException' in extended_attributes,
         'name': cpp_name(deleter),
     }