Remove parent_level field of function type parameters.

runtime/vm/object_test.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "platform/globals.h"
 
 #include "vm/assembler.h"
 #include "vm/class_finalizer.h"
 #include "vm/dart_api_impl.h"
 #include "vm/dart_entry.h"
@@ skipping 2602 matching lines @@
       Function::New(parent_name, RawFunction::kRegularFunction, false, false,
                     false, false, false, cls, TokenPosition::kMinSource);
   functions.SetAt(0, parent);
   cls.SetFunctions(functions);
 
   Function& function = Function::Handle();
   const String& function_name = String::Handle(Symbols::New(thread, "foo"));
   function = Function::NewClosureFunction(function_name, parent,
                                           TokenPosition::kMinSource);
   const Closure& closure = Closure::Handle(
-      Closure::New(Object::null_type_arguments(), function, context));
+      Closure::New(Object::null_type_arguments(), Object::null_type_arguments(),
+                   function, context));
   const Class& closure_class = Class::Handle(closure.clazz());
   EXPECT_EQ(closure_class.id(), kClosureCid);
   const Function& closure_function = Function::Handle(closure.function());
   EXPECT_EQ(closure_function.raw(), function.raw());
   const Context& closure_context = Context::Handle(closure.context());
   EXPECT_EQ(closure_context.raw(), context.raw());
 }
 
 
 ISOLATE_UNIT_TEST_CASE(ObjectPrinting) {
@@ skipping 2075 matching lines @@
   // utf32->utf16 conversion.
   int32_t char_codes[] = {0,      0x0a,   0x0d,   0x7f,   0xff,
                           0xffff, 0xd800, 0xdc00, 0xdbff, 0xdfff};
 
   const String& str =
       String::Handle(String::FromUTF32(char_codes, ARRAY_SIZE(char_codes)));
   EXPECT(str.Equals(char_codes, ARRAY_SIZE(char_codes)));
 }
 
 }  // namespace dart