Remove dart2jslib.dart

pkg/compiler/lib/src/closure.dart

 // 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.
 
 library closureToClassMapper;
 
+import 'common/tasks.dart' show
+    CompilerTask;
+import 'compiler.dart' show
+    Compiler;
 import 'constants/expressions.dart';
-import 'dart2jslib.dart';
 import 'dart_types.dart';
 import 'diagnostic_listener.dart';
+import 'diagnostics/spannable.dart' show
+    SpannableAssertionFailure;
 import 'elements/elements.dart';
-import 'elements/modelx.dart'
-    show BaseFunctionElementX,
-         ClassElementX,
-         ElementX,
-         LocalFunctionElementX;
+import 'elements/modelx.dart' show
+    BaseFunctionElementX,
+    ClassElementX,
+    ElementX,
+    LocalFunctionElementX;
 import 'elements/visitor.dart' show ElementVisitor;
 import 'js_backend/js_backend.dart' show JavaScriptBackend;
 import 'resolution/resolution.dart' show TreeElements;
 import 'scanner/scannerlib.dart' show Token;
 import 'tree/tree.dart';
 import 'util/util.dart';
 import 'universe/universe.dart' show
     Universe;
 
 class ClosureTask extends CompilerTask {
@@ skipping 1087 matching lines @@
 
   String get name => typeVariable.name;
 
   int get hashCode => typeVariable.hashCode;
 
   bool operator ==(other) {
     if (other is! TypeVariableLocal) return false;
     return typeVariable == other.typeVariable;
   }
 }