Use entities internally in MemberTypeInformation

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

 // Copyright (c) 2017, 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:kernel/ast.dart' as ir;
 
 import '../common.dart';
 import '../common/names.dart';
 import '../compiler.dart';
 import '../constants/expressions.dart';
@@ skipping 69 matching lines @@
   final Map<MemberElement, GlobalTypeInferenceElementData> _memberData =
       new Map<MemberElement, GlobalTypeInferenceElementData>();
 
   InferrerEngine(this.compiler, ClosedWorld closedWorld,
       this.closedWorldRefiner, this.mainElement)
       : this.types = new TypeSystem(closedWorld),
         this.closedWorld = closedWorld;
 
   CommonElements get commonElements => closedWorld.commonElements;
 
-  /// Returns `true` if [element] has an `@AssumeDynamic()` annotation.
-  bool assumeDynamic(Element element) {
-    return element is MemberElement && optimizerHints.assumeDynamic(element);
-  }
-
-  /// Returns `true` if [element] has an `@TrustTypeAnnotations()` annotation.
-  bool trustTypeAnnotations(Element element) {
-    return element is MemberElement &&
-        optimizerHints.trustTypeAnnotations(element);
-  }
-
   /**
    * Applies [f] to all elements in the universe that match
    * [selector] and [mask]. If [f] returns false, aborts the iteration.
    */
   void forEachElementMatching(
       Selector selector, TypeMask mask, bool f(Element element)) {
     Iterable<MemberEntity> elements = closedWorld.locateMembers(selector, mask);
     for (MemberElement e in elements) {
       if (!f(e.implementation)) return;
     }
@@ skipping 996 matching lines @@
   /**
    * Records that the captured variable [local] is read.
    */
   void recordCapturedLocalRead(Local local) {}
 
   /**
    * Records that the variable [local] is being updated.
    */
   void recordLocalUpdate(Local local, TypeInformation type) {}
 }