Remove LibraryEntity.libraryName

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

 // Copyright (c) 2016, 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 entities;
 
 import '../common.dart';
 
 /// Abstract interface for entities.
 ///
 /// Implement this directly if the entity is not a Dart language entity.
 /// Entities defined within the Dart language should implement [Element].
 ///
 /// For instance, the JavaScript backend need to create synthetic variables for
 /// calling intercepted classes and such variables do not correspond to an
 /// entity in the Dart source code nor in the terminology of the Dart language
 /// and should therefore implement [Entity] directly.
 abstract class Entity implements Spannable {
   String get name;
 }
 
 /// Stripped down super interface for library like entities.
 ///
 /// Currently only [LibraryElement] but later also kernel based Dart classes
 /// and/or Dart-in-JS classes.
-abstract class LibraryEntity extends Entity {
-  String get libraryName;
-}
+abstract class LibraryEntity extends Entity {}
 
 /// Stripped down super interface for class like entities.
 ///
 /// Currently only [ClassElement] but later also kernel based Dart classes
 /// and/or Dart-in-JS classes.
 abstract class ClassEntity extends Entity {
   bool get isClosure;
 }
 
 abstract class TypeVariableEntity extends Entity {
@@ skipping 58 matching lines @@
   Entity get executableContext;
 
   /// The outermost member that contains this element.
   ///
   /// For top level, static or instance members, the member context is the
   /// element itself. For parameters, local variables and nested closures, the
   /// member context is the top level, static or instance member in which it is
   /// defined.
   MemberEntity get memberContext;
 }