Source positions for constructors and lots of async machinery

runtime/vm/class_finalizer_test.cc

Index: runtime/vm/class_finalizer_test.cc
diff --git a/runtime/vm/class_finalizer_test.cc b/runtime/vm/class_finalizer_test.cc
index 828ecacad04f1f6af859ec031b284eb6c8d3272f..2c87c9c0436bd5f9c3829f24db3041216a6f07ae 100644
--- a/runtime/vm/class_finalizer_test.cc
+++ b/runtime/vm/class_finalizer_test.cc
@@ -14,7 +14,7 @@ static RawClass* CreateTestClass(const char* name) {
   const String& class_name = String::Handle(Symbols::New(name));
   const Script& script = Script::Handle();
   const Class& cls =
-      Class::Handle(Class::New(class_name, script, Scanner::kNoSourcePos));
+      Class::Handle(Class::New(class_name, script, Token::kNoSourcePos));
   cls.set_interfaces(Object::empty_array());
   cls.SetFunctions(Object::empty_array());
   cls.SetFields(Object::empty_array());
@@ -96,12 +96,12 @@ TEST_CASE(ClassFinalize_Resolve) {
   const UnresolvedClass& unresolved = UnresolvedClass::Handle(
       UnresolvedClass::New(LibraryPrefix::Handle(),
                            superclass_name,
-                           Scanner::kNoSourcePos));
+                           Token::kNoSourcePos));
   const TypeArguments& type_arguments = TypeArguments::Handle();
   rhb.set_super_type(Type::Handle(
       Type::New(Object::Handle(unresolved.raw()),
                 type_arguments,
-                Scanner::kNoSourcePos)));
+                Token::kNoSourcePos)));
   EXPECT(ClassFinalizer::ProcessPendingClasses());
 }