Delete the |complete_type_set| field from mojom_types.mojom

mojo/public/tools/bindings/generators/dart_templates/interface_definition.tmpl

 {%- for method in interface.methods %}
 const int _{{interface|name|lower_camel}}Method{{method|name|upper_camel}}Name = {{method.ordinal}};
 {%- endfor %}
 
 {#--- Interface Enums #}
 {%- from "enum_definition.tmpl" import enum_def -%}
 {%- for enum in interface.enums %}
   {{ enum_def(enum, typepkg, package) }}
 {%-  endfor %}
 
 class _{{interface|name}}ServiceDescription implements {{descpkg}}ServiceDescription {
 {%- if should_gen_mojom_types and interface.service_name %}
   dynamic getTopLevelInterface([Function responseFactory]){
-    var interfaceTypeKey = getRuntimeTypeInfo().servicesByName["{{interface.service_name}}"].topLevelInterface;
+    var interfaceTypeKey = getRuntimeTypeInfo().services["{{interface.service_name}}"];
     var userDefinedType = getAllMojomTypeDefinitions()[interfaceTypeKey];
     return responseFactory(userDefinedType.interfaceType);
   }
 
   dynamic getTypeDefinition(String typeKey, [Function responseFactory]) =>
     responseFactory(getAllMojomTypeDefinitions()[typeKey]);
 
   dynamic getAllTypeDefinitions([Function responseFactory]) =>
     responseFactory(getAllMojomTypeDefinitions());
 {%- else %}
@@ skipping 309 matching lines @@
   int get version => {{interface.version}};
 
   static {{descpkg}}ServiceDescription _cachedServiceDescription;
   static {{descpkg}}ServiceDescription get serviceDescription {
     if (_cachedServiceDescription == null) {
       _cachedServiceDescription = new _{{interface|name}}ServiceDescription();
     }
     return _cachedServiceDescription;
   }
 }