Implement generalized function types.

tests/compiler/dart2js/dump_info_test.dart

 // 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.
 // Test that parameters keep their names in the output.
 
 import 'dart:convert';
 import 'package:expect/expect.dart';
 import 'package:async_helper/async_helper.dart';
 import 'memory_compiler.dart';
 
 const String TEST_BASIC = r"""
 library main;
 
 int a = 2;
 
 class c {
   final int m;
   c(this.m) {
     () {} ();  // TODO (sigurdm): Empty closure, hack to avoid inlining.
     a = 1;
   }
   foo() {
     () {} ();
     k = 2;
     print(k);
     print(p);
   }
   var k = (() => 10)();
-  final static p = 20;
+  static final p = 20;
 }
 
 void f() {
   () {} ();
   a = 3;
 }
 
 main() {
   print(a);
   f();
@@ skipping 134 matching lines @@
     Expect.isTrue(main_ != null);
     Expect.isTrue(fn1 != null);
     Expect.isTrue(fn2 != null);
     Expect.isTrue(deps.containsKey(main_['id']));
     Expect.isTrue(deps.containsKey(fn1['id']));
     Expect.isTrue(deps.containsKey(fn2['id']));
     Expect.isTrue(deps[main_['id']].any((dep) => dep['id'] == fn1['id']));
     Expect.isTrue(deps[fn1['id']].any((dep) => dep['id'] == fn2['id']));
   });
 }