Split inference type-info accessors into members, parameters and local functions

tests/compiler/dart2js/simple_inferrer_postfix_prefix_test.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.
 
 import 'package:async_helper/async_helper.dart';
 import 'package:expect/expect.dart';
 
 import 'compiler_helper.dart';
 import 'type_mask_test_helper.dart';
 
@@ skipping 58 matching lines @@
         var typesInferrer = compiler.globalInference.typesInferrerInternal;
         var closedWorld = typesInferrer.closedWorld;
         var commonMasks = closedWorld.commonMasks;
 
         checkReturnInClass(String className, String methodName, type) {
           dynamic cls = findElement(compiler, className);
           var element = cls.lookupLocalMember(methodName);
           Expect.equals(
               type,
               simplify(
-                  typesInferrer.getReturnTypeOfElement(element), closedWorld),
+                  typesInferrer.getReturnTypeOfMember(element), closedWorld),
               methodName);
         }
 
         var subclassOfInterceptor = commonMasks.interceptorType;
 
         checkReturnInClass('A', 'returnNum1', commonMasks.numType);
         checkReturnInClass('A', 'returnNum2', commonMasks.numType);
         checkReturnInClass('A', 'returnNum3', commonMasks.numType);
         checkReturnInClass('A', 'returnNum4', commonMasks.numType);
         checkReturnInClass('A', 'returnEmpty1', const TypeMask.nonNullEmpty());
         checkReturnInClass('A', 'returnEmpty2', const TypeMask.nonNullEmpty());
         checkReturnInClass('A', 'returnDynamic1', subclassOfInterceptor);
         checkReturnInClass('A', 'returnDynamic2', subclassOfInterceptor);
         checkReturnInClass('A', 'returnEmpty3', const TypeMask.nonNullEmpty());
 
         checkReturnInClass('B', 'returnString1', commonMasks.stringType);
         checkReturnInClass('B', 'returnString2', commonMasks.stringType);
         checkReturnInClass(
             'B', 'returnDynamic1', const TypeMask.nonNullEmpty());
         checkReturnInClass(
             'B', 'returnDynamic2', const TypeMask.nonNullEmpty());
         checkReturnInClass(
             'B', 'returnDynamic3', const TypeMask.nonNullEmpty());
         checkReturnInClass(
             'B', 'returnDynamic4', const TypeMask.nonNullEmpty());
       }));
 }