Revert "dart2js: Refactoring, documentation, and a few bugfixes in Namer class."

tests/language/private_clash_test.dart

Index: tests/language/private_clash_test.dart
diff --git a/tests/language/private_clash_test.dart b/tests/language/private_clash_test.dart
deleted file mode 100644
index 35110f40015f5a9433c2be236ff31d0809f870c4..0000000000000000000000000000000000000000
--- a/tests/language/private_clash_test.dart
+++ /dev/null
@@ -1,22 +0,0 @@
-// Copyright (c) 2015, 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.
-
-library a;
-
-import 'private_clash_lib.dart' as lib;
-import 'package:expect/expect.dart';
-
-class A extends lib.B {
-  var _b$_c$ = 100; // With library prefix: _a$_b$_c$
-
-  getValueB() {
-    try {} catch(e) {} // no inline
-    return this._b$_c$;
-  }
-}
-
-main() {
-  A a = new A();
-  Expect.equals(110, a.getValueA() + a.getValueB());
-}