Remove use of Element in ResolutionEnqueuerListener.

pkg/compiler/lib/src/common_elements.dart

 // Copyright (c) 2014, 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.
 
 // TODO(sigmund): rename and move to common/elements.dart
 library dart2js.type_system;
 
 import 'common/names.dart' show Uris;
 import 'elements/types.dart';
 import 'elements/entities.dart';
+import 'universe/call_structure.dart';
 
 /// The common elements and types in Dart.
 abstract class CommonElements {
   /// The `Object` class defined in 'dart:core'.
   ClassEntity get objectClass;
 
   /// The `bool` class defined in 'dart:core'.
   ClassEntity get boolClass;
 
   /// The `num` class defined in 'dart:core'.
@@ skipping 256 matching lines @@
   /// Returns the 'raw type' of [cls]. That is, the instantiation of [cls]
   /// where all types arguments are `dynamic`.
   InterfaceType getRawType(ClassEntity cls);
 
   /// Returns the 'this type' of [cls]. That is, the instantiation of [cls]
   /// where the type arguments are the type variables of [cls].
   InterfaceType getThisType(ClassEntity cls);
 
   /// Returns `true` if [a] is a subtype of [b].
   bool isSubtype(DartType a, DartType b);
+
+  /// Returns the type if [function].
+  FunctionType getFunctionType(FunctionEntity function);
+
+  /// Returns the [CallStructure] corresponding to calling [entity] with all
+  /// arguments, both required and optional.
+  CallStructure getCallStructure(FunctionEntity entity);
+
+  /// Returns `true` if [member] a the synthetic getter `loadLibrary` injected
+  /// on deferred libraries.
+  bool isDeferredLoadLibraryGetter(MemberEntity member);
 }
 
 class CommonElementsImpl implements CommonElements {
   final ElementEnvironment _env;
 
   CommonElementsImpl(this._env);
 
   ClassEntity findClass(LibraryEntity library, String name,
       {bool required: true}) {
     if (library == null) return null;
@@ skipping 257 matching lines @@
   }
 
   @override
   InterfaceType streamType([DartType elementType]) {
     if (elementType == null) {
       return getRawType(streamClass);
     }
     return createInterfaceType(streamClass, [elementType]);
   }
 }