Remove use of FunctionSignature et al from call_structure.dart

pkg/compiler/lib/src/inferrer/builder.dart

 // Copyright (c) 2013, 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 simple_types_inferrer;
 
 import '../closure.dart' show ClosureClassMap;
 import '../common.dart';
 import '../common/names.dart' show Identifiers, Selectors;
 import '../compiler.dart' show Compiler;
@@ skipping 2298 matching lines @@
     }
     if (compiler.backend.isForeign(target)) {
       return handleForeignSend(node, target);
     }
     Selector selector = elements.getSelector(node);
     CallStructure callStructure = selector.callStructure;
     TypeMask mask = inTreeData.typeOfSend(node);
     // In erroneous code the number of arguments in the selector might not
     // match the function element.
     // TODO(polux): return nonNullEmpty and check it doesn'TypeInformation break anything
-    if (target.isMalformed ||
-        !callStructure.signatureApplies(target.functionSignature)) {
+    if (target.isMalformed || !callStructure.signatureApplies(target.type)) {
       return types.dynamicType;
     }
 
     TypeInformation returnType =
         handleStaticSend(node, selector, mask, target, arguments);
     if (Elements.isGrowableListConstructorCall(
         constructor, node, closedWorld.commonElements)) {
       return inferrer.concreteTypes.putIfAbsent(
           node,
           () => types.allocateList(types.growableListType, node,
@@ skipping 600 matching lines @@
     Selector moveNextSelector = Selectors.moveNext;
     TypeMask moveNextMask = inTreeData.typeOfIteratorMoveNext(node);
 
     TypeInformation iteratorType = handleDynamicSend(node, iteratorSelector,
         iteratorMask, expressionType, new ArgumentsTypes.empty());
 
     return handleForInLoop(node, iteratorType, currentSelector, currentMask,
         moveNextSelector, moveNextMask);
   }
 }