Remove dart2jslib.dart

tests/compiler/dart2js/backend_dart/sexpr2_test.dart

 // Copyright (c) 2014, 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.
 
 /// Unittest test of the CPS ir generated by the dart2dart compiler.
 library dart_backend.sexpr2_test;
 
-import 'package:compiler/src/dart2jslib.dart';
+import 'package:compiler/src/compiler.dart';
 import 'package:compiler/src/cps_ir/cps_ir_nodes.dart';
 import 'package:compiler/src/cps_ir/cps_ir_nodes_sexpr.dart';
 import 'package:compiler/src/elements/elements.dart';
 import 'package:expect/expect.dart';
 
 import '../../../../pkg/analyzer2dart/test/test_helper.dart';
 import '../../../../pkg/analyzer2dart/test/sexpr_data.dart';
 
 import 'test_helper.dart';
 
@@ skipping 34 matching lines @@
           element = cls.localLookup(
               elementName.substring(elementName.indexOf('.') + 1));
         } else {
           element = compiler.mainApp.localLookup(elementName);
         }
         checkOutput(elementName, element, output);
       });
     }
   });
 }