Use entities in impact transformers.

pkg/compiler/lib/src/compiler.dart

 // Copyright (c) 2012, 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.compiler_base;
 
 import 'dart:async' show Future;
 
 import '../compiler_new.dart' as api;
 import 'closure.dart' as closureMapping show ClosureTask;
@@ skipping 1981 matching lines @@
   @override
   bool isDeferredLoadLibraryGetter(MemberElement member) {
     return member.isDeferredLoaderGetter;
   }
 
   @override
   ResolutionFunctionType getFunctionType(MethodElement method) {
     method.computeType(_resolution);
     return method.type;
   }
+
+  @override
+  ResolutionFunctionType getLocalFunctionType(LocalFunctionElement function) {
+    return function.type;
+  }
+
+  @override
+  ResolutionDartType getUnaliasedType(ResolutionDartType type) {
+    type.computeUnaliased(_resolution);
+    return type.unaliased;
+  }
 }