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

tests/language/private_clash_lib.dart

Index: tests/language/private_clash_lib.dart
diff --git a/tests/language/private_clash_lib.dart b/tests/language/private_clash_lib.dart
deleted file mode 100644
index 2722aef928234a815f7357f8febb071f9f53baf2..0000000000000000000000000000000000000000
--- a/tests/language/private_clash_lib.dart
+++ /dev/null
@@ -1,14 +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$_b;
-
-class B {
-  var _c$ = 10; // With library prefix: _a$_b$_c$
-
-  getValueA() {
-    try {} catch(e) {} // no inline
-    return this._c$;
-  }
-}