Revert "Refactor constant part."

dart/tests/language/src/CompileTimeConstant9Test.dart

Index: dart/tests/language/src/CompileTimeConstant9Test.dart
diff --git a/dart/tests/language/src/CompileTimeConstant9Test.dart b/dart/tests/language/src/CompileTimeConstant9Test.dart
deleted file mode 100644
index a149c43f11c1b94efb802fbad0ac84b423695504..0000000000000000000000000000000000000000
--- a/dart/tests/language/src/CompileTimeConstant9Test.dart
+++ /dev/null
@@ -1,16 +0,0 @@
-// 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.
-
-class B {
-  const B();
-}
-
-class A {
-  var x = const B();
-  A();
-}
-
-main() {
-  Expect.isTrue(new A().x === new A().x);
-}