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

third_party/WebKit/Source/bindings/templates/interface.cpp

Index: third_party/WebKit/Source/bindings/templates/interface.cpp
diff --git a/third_party/WebKit/Source/bindings/templates/interface.cpp b/third_party/WebKit/Source/bindings/templates/interface.cpp
index 3198dce5af824209252ab08e55b295d813c4dfc0..3e522fa757dc7e986e91c68d60805c402d86bdd9 100644
--- a/third_party/WebKit/Source/bindings/templates/interface.cpp
+++ b/third_party/WebKit/Source/bindings/templates/interface.cpp
@@ -464,7 +464,7 @@ static void {{cpp_class}}OriginSafeMethodSetterCallback(v8::Local<v8::Name> name
 #pragma clang diagnostic push
 #pragma clang diagnostic ignored "-Wglobal-constructors"
 #endif
-const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::refObject, {{v8_class}}::derefObject, {{v8_class}}::trace, {{to_active_scriptwrappable}}, 0, {{v8_class}}::preparePrototypeAndInterfaceObject, {{v8_class}}::installConditionallyEnabledProperties, "{{interface_name}}", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}}, WrapperTypeInfo::{{gc_type}} };
+const WrapperTypeInfo {{v8_class}}Constructor::wrapperTypeInfo = { gin::kEmbedderBlink, {{v8_class}}Constructor::domTemplate, {{v8_class}}::trace, {{to_active_scriptwrappable}}, 0, {{v8_class}}::preparePrototypeAndInterfaceObject, {{v8_class}}::installConditionallyEnabledProperties, "{{interface_name}}", 0, WrapperTypeInfo::WrapperTypeObjectPrototype, WrapperTypeInfo::{{wrapper_class_id}}, WrapperTypeInfo::{{event_target_inheritance}}, WrapperTypeInfo::{{lifetime}} };
 #if defined(COMPONENT_BUILD) && defined(WIN32) && COMPILER(CLANG)
 #pragma clang diagnostic pop
 #endif
@@ -921,24 +921,6 @@ ActiveScriptWrappable* {{v8_class}}::toActiveScriptWrappable(v8::Local<v8::Objec
 
 
 {##############################################################################}
-{% block ref_object_and_deref_object %}
-void {{v8_class}}::refObject(ScriptWrappable* scriptWrappable)
-{
-{% if gc_type == 'RefCountedObject' %}
-    scriptWrappable->toImpl<{{cpp_class}}>()->ref();
-{% endif %}
-}
-
-void {{v8_class}}::derefObject(ScriptWrappable* scriptWrappable)
-{
-{% if gc_type == 'RefCountedObject' %}
-    scriptWrappable->toImpl<{{cpp_class}}>()->deref();
-{% endif %}
-}
-
-{% endblock %}
-
-{##############################################################################}
 {% block partial_interface %}
 {% if has_partial_interface %}
 InstallTemplateFunction {{v8_class}}::install{{v8_class}}TemplateFunction = (InstallTemplateFunction)&{{v8_class}}::install{{v8_class}}Template;