Remove dart2jslib.dart

tests/compiler/dart2js/constant_expression_evaluate_test.dart

 // 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 dart2js.constants.expressions.evaluate_test;
 
 import 'dart:async';
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 import 'package:compiler/src/constants/evaluation.dart';
 import 'package:compiler/src/constants/expressions.dart';
 import 'package:compiler/src/constants/values.dart';
 import 'package:compiler/src/constant_system_dart.dart';
-import 'package:compiler/src/dart2jslib.dart';
+import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'memory_compiler.dart';
 
 class TestData {
   /// Declarations needed for the [constants].
   final String declarations;
   /// Tested constants.
   final List constants;
 
   const TestData(this.declarations, this.constants);
@@ skipping 202 matching lines @@
       Environment environment = new MemoryEnvironment(compiler, env);
       ConstantValue value =
           constant.evaluate(environment, DART_CONSTANT_SYSTEM);
       String valueText = value.toStructuredString();
       Expect.equals(expectedText, valueText,
           "Unexpected value '${valueText}' for contant "
           "`${constant.getText()}`, expected '${expectedText}'.");
     });
   });
 }