Use entities in impact transformers.

pkg/compiler/lib/src/compiler.dart

Index: pkg/compiler/lib/src/compiler.dart
diff --git a/pkg/compiler/lib/src/compiler.dart b/pkg/compiler/lib/src/compiler.dart
index 30dbe3666d869e248dc44feaae0b30b370464506..f34718b9f204ff18eb51b2200ea80fbe028de71f 100644
--- a/pkg/compiler/lib/src/compiler.dart
+++ b/pkg/compiler/lib/src/compiler.dart
@@ -1999,4 +1999,15 @@ class _CompilerElementEnvironment implements ElementEnvironment {
     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;
+  }
 }