Use .callMethod instead of LocalFunctionElement as key in inference

pkg/compiler/lib/src/inferrer/node_tracer.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 compiler.src.inferrer.node_tracer;
 
 import '../common/names.dart' show Identifiers;
 import '../compiler.dart' show Compiler;
 import '../elements/elements.dart';
 import '../elements/entities.dart';
@@ skipping 191 matching lines @@
   void visitStringLiteralTypeInformation(StringLiteralTypeInformation info) {}
 
   void visitBoolLiteralTypeInformation(BoolLiteralTypeInformation info) {}
 
   void visitClosureTypeInformation(ClosureTypeInformation info) {}
 
   void visitClosureCallSiteTypeInformation(
       ClosureCallSiteTypeInformation info) {}
 
   visitStaticCallSiteTypeInformation(StaticCallSiteTypeInformation info) {
-    Element called = info.calledElement;
-    TypeInformation inferred = called.isLocal
-        ? inferrer.types.getInferredTypeOfLocalFunction(called)
-        : inferrer.types.getInferredTypeOfMember(called);
+    MemberElement called = info.calledElement;
+    TypeInformation inferred = inferrer.types.getInferredTypeOfMember(called);
     if (inferred == currentUser) {
       addNewEscapeInformation(info);
     }
   }
 
   void analyzeStoredIntoList(ListTypeInformation list) {
     inferrer.analyzeListAndEnqueue(list);
     if (list.bailedOut) {
       bailout('Stored in a list that bailed out');
     } else {
@@ skipping 231 matching lines @@
     }
     if (info.member.isField &&
         !inferrer.compiler.backend.canFieldBeUsedForGlobalOptimizations(
             info.member, inferrer.closedWorld)) {
       bailout('Escape to code that has special backend treatment');
     }
     addNewEscapeInformation(info);
   }
 
   void visitParameterTypeInformation(ParameterTypeInformation info) {
-    if (inferrer.isNativeMember(info.method)) {
+    if (inferrer.closedWorld.nativeData.isNativeMember(info.method)) {
       bailout('Passed to a native method');
     }
     if (!inferrer.compiler.backend
         .canFunctionParametersBeUsedForGlobalOptimizations(
             info.method, inferrer.closedWorld)) {
       bailout('Escape to code that has special backend treatment');
     }
     if (isParameterOfListAddingMethod(info.parameter) ||
         isParameterOfMapAddingMethod(info.parameter)) {
       // These elements are being handled in
       // [visitDynamicCallSiteTypeInformation].
       return;
     }
     addNewEscapeInformation(info);
   }
 }