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

sdk/lib/_internal/compiler/implementation/enqueue.dart

Index: sdk/lib/_internal/compiler/implementation/enqueue.dart
diff --git a/sdk/lib/_internal/compiler/implementation/enqueue.dart b/sdk/lib/_internal/compiler/implementation/enqueue.dart
index e489fb187294d571ad7d413a97c685b2ec130e64..4f169ebf5cb86512240090569d1e321df4b8ff45 100644
--- a/sdk/lib/_internal/compiler/implementation/enqueue.dart
+++ b/sdk/lib/_internal/compiler/implementation/enqueue.dart
@@ -31,7 +31,7 @@ class EnqueueTask extends CompilerTask {
         if (!library.isInternalLibrary) {
           container = library;
           // TODO(ahe): Is this right?  Is this necessary?
-          name = library.getLibraryOrScriptName();
+          name = library.getLibraryName();
         }
       } else if (element.isClass()) {
         ClassElement cls = element;