Remove use of FunctionSignature et al from call_structure.dart

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,
-        LibraryElement,
         PublicName;
+import '../elements/entities.dart';
 import '../util/util.dart' show Hashing;
-import '../common/resolution.dart' show Target;
 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);
   static const SelectorKind SETTER = const SelectorKind('setter', 1);
   static const SelectorKind CALL = const SelectorKind('call', 2);
@@ skipping 20 matching lines @@
 
   final int hashCode;
 
   int get argumentCount => callStructure.argumentCount;
   int get namedArgumentCount => callStructure.namedArgumentCount;
   int get positionalArgumentCount => callStructure.positionalArgumentCount;
   List<String> get namedArguments => callStructure.namedArguments;
 
   String get name => memberName.text;
 
-  LibraryElement get library => memberName.library;
+  LibraryEntity get library => memberName.library;
 
   Selector.internal(
       this.kind, this.memberName, this.callStructure, this.hashCode) {
     assert(invariant(
         NO_LOCATION_SPANNABLE,
         kind == SelectorKind.INDEX ||
             (memberName != Names.INDEX_NAME &&
                 memberName != Names.INDEX_SET_NAME),
         message: "kind=$kind,memberName=$memberName,"
             "callStructure:$callStructure"));
@@ skipping 166 matching lines @@
           ? !element.isFinal && !element.isConst
           : isGetter || isCall;
     }
     if (isGetter) return true;
     if (isSetter) return false;
     return signatureApplies(element);
   }
 
   bool signatureApplies(MethodElement function) {
     if (Elements.isUnresolved(function)) return false;
-    return callStructure.signatureApplies(function.functionSignature);
+    return callStructure.signatureApplies(function.type);
   }
 
   bool applies(MemberElement 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);
 }