dart2js: The name of a library without a library declaration is the empty string.

sdk/lib/_internal/compiler/implementation/deferred_load.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 deferred_load;
 
 import 'dart:collection'
        show LinkedHashMap,
             LinkedHashSet;
 
@@ skipping 190 matching lines @@
       for (MetadataAnnotation metadata in tag.metadata) {
         metadata.ensureResolved(compiler);
         Element element = metadata.value.computeType(compiler).element;
         if (element == deferredLibraryClass) {
           ConstructedConstant value = metadata.value;
           StringConstant nameField = value.fields[0];
           SourceString expectedName = nameField.toDartString().source;
           LibraryElement deferredLibrary = library.getLibraryFromTag(tag);
           link = link.prepend(deferredLibrary);
           SourceString actualName =
-              new SourceString(deferredLibrary.getLibraryOrScriptName());
+              new SourceString(deferredLibrary.getLibraryName());
           if (expectedName != actualName) {
             compiler.reportError(
                 metadata,
                 MessageKind.DEFERRED_LIBRARY_NAME_MISMATCH,
                 { 'expectedName': expectedName.slowToString(),
                   'actualName': actualName.slowToString()});
           }
         }
       }
     }
@@ skipping 20 matching lines @@
         compiler.enqueuer.resolution.getCachedElements(element);
     if (elements == null) return new LinkedHashSet<Element>();
     Node node = element.parseNode(compiler);
     if (node == null) return new LinkedHashSet<Element>();
     var collector = new DependencyCollector(elements, compiler);
     node.accept(collector);
     collector.dependencies.addAll(elements.otherDependencies);
     return collector.dependencies;
   }
 }