Use entities in Selector methods

pkg/compiler/lib/src/universe/selector.dart

 // Copyright (c) 2015, 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.selector;
 
 import '../common.dart';
 import '../common/names.dart' show Names;
 import '../elements/elements.dart'
-    show
-        Element,
-        Elements,
-        FunctionSignature,
-        MemberElement,
-        MethodElement,
-        Name,
-        PublicName;
+    show Element, Elements, FunctionSignature, Name, PublicName;
 import '../elements/entities.dart';
 import '../util/util.dart' show Hashing;
 import 'call_structure.dart' show CallStructure;
 
 class SelectorKind {
   final String name;
   final int hashCode;
   const SelectorKind(this.name, this.hashCode);
 
   static const SelectorKind GETTER = const SelectorKind('getter', 0);
@@ skipping 182 matching lines @@
     const int SETTER = 2;
     int kind = METHOD;
     if (isGetter) {
       kind = GETTER;
     } else if (isSetter) {
       kind = SETTER;
     }
     return kind;
   }
 
-  bool appliesUnnamed(MemberElement element) {
+  bool appliesUnnamed(MemberEntity element) {
     assert(name == element.name);
     return appliesUntyped(element);
   }
 
-  bool appliesUntyped(MemberElement element) {
+  bool appliesUntyped(MemberEntity element) {
     assert(name == element.name);
-    if (Elements.isUnresolved(element)) return false;
     if (memberName.isPrivate && memberName.library != element.library) {
       // TODO(johnniwinther): Maybe this should be
       // `memberName != element.memberName`.
       return false;
     }
     if (element.isSetter) return isSetter;
     if (element.isGetter) return isGetter || isCall;
     if (element.isField) {
-      return isSetter
-          ? !element.isFinal && !element.isConst
-          : isGetter || isCall;
+      return isSetter ? element.isAssignable : isGetter || isCall;
     }
     if (isGetter) return true;
     if (isSetter) return false;
     return signatureApplies(element);
   }
 
-  bool signatureApplies(MethodElement function) {
+  bool signatureApplies(FunctionEntity function) {
     return callStructure.signatureApplies(function.parameterStructure);
   }
 
-  bool applies(MemberElement element) {
+  bool applies(MemberEntity element) {
     if (name != element.name) return false;
     return appliesUnnamed(element);
   }
 
   bool match(SelectorKind kind, Name memberName, CallStructure callStructure) {
     return this.kind == kind &&
         this.memberName == memberName &&
         this.callStructure.match(callStructure);
   }
 
   static int computeHashCode(
       SelectorKind kind, Name name, CallStructure callStructure) {
     // Add bits from name and kind.
     int hash = Hashing.mixHashCodeBits(name.hashCode, kind.hashCode);
     // Add bits from the call structure.
     return Hashing.mixHashCodeBits(hash, callStructure.hashCode);
   }
 
   String toString() {
     return 'Selector($kind, $name, ${callStructure.structureToString()})';
   }
 
   Selector toCallSelector() => new Selector.callClosureFrom(this);
 }