Remove dart2jslib.dart

pkg/compiler/lib/src/elements/elements.dart

Index: pkg/compiler/lib/src/elements/elements.dart
diff --git a/pkg/compiler/lib/src/elements/elements.dart b/pkg/compiler/lib/src/elements/elements.dart
index 79229a90ee55abfb45917da170ac6c754a4ad1c9..92bb2a109d43340a5d3b28b1b87ea739024a1df9 100644
--- a/pkg/compiler/lib/src/elements/elements.dart
+++ b/pkg/compiler/lib/src/elements/elements.dart
@@ -4,15 +4,17 @@
 
 library elements;
 
+import '../compiler.dart' show
+    Compiler,
+    isPrivateName;
 import '../constants/constructors.dart';
 import '../constants/expressions.dart';
 import '../dart_types.dart';
-import '../dart2jslib.dart' show
-    Backend,
-    Compiler,
-    isPrivateName,
-    SourceSpan;
 import '../diagnostic_listener.dart';
+import '../diagnostics/source_span.dart' show
+    SourceSpan;
+import '../diagnostics/spannable.dart' show
+    Spannable;
 import '../messages.dart' show MessageKind;
 import '../resolution/resolution.dart';
 import '../ordered_typeset.dart' show OrderedTypeSet;