Remove dart2jslib.dart

pkg/compiler/lib/src/js_emitter/js_emitter.dart

 // Copyright (c) 2013, 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.js_emitter;
 
 import '../common.dart';
 
 import '../constants/values.dart';
 
 import '../closure.dart' show
     ClosureClassElement,
     ClosureClassMap,
     ClosureFieldElement,
     CapturedVariable;
 
 import '../dart_types.dart' show
     TypedefType;
 
+import '../diagnostics/spannable.dart' show
+    NO_LOCATION_SPANNABLE;
+
 import '../elements/elements.dart' show
     ConstructorBodyElement,
     ElementKind,
     FieldElement,
     ParameterElement,
     TypeVariableElement,
     MethodElement,
     MemberElement;
 
 import '../js/js.dart' as jsAst;
@@ skipping 22 matching lines @@
 
 import 'full_emitter/emitter.dart' as full_js_emitter;
 import 'lazy_emitter/emitter.dart' as lazy_js_emitter;
 import 'startup_emitter/emitter.dart' as startup_js_emitter;
 
 import '../universe/universe.dart' show
     TypeMaskSet,
     TypedSelector;
 
 import '../util/util.dart' show
-    NO_LOCATION_SPANNABLE,
     Setlet;
 
 import '../deferred_load.dart' show
     OutputUnit;
 
 import 'package:js_runtime/shared/embedded_names.dart' as embeddedNames;
 import 'package:js_runtime/shared/embedded_names.dart' show JsBuiltin;
 
 import '../native/native.dart' as native;
 
 part 'class_stub_generator.dart';
 part 'code_emitter_task.dart';
 part 'helpers.dart';
 part 'interceptor_stub_generator.dart';
 part 'main_call_stub_generator.dart';
 part 'metadata_collector.dart';
 part 'native_emitter.dart';
 part 'native_generator.dart';
 part 'parameter_stub_generator.dart';
 part 'runtime_type_generator.dart';
 part 'type_test_registry.dart';