Issue 29398. Infer instance members using InheritanceManager of the ClassElement.

pkg/analyzer/test/src/task/strong_mode_test.dart

Index: pkg/analyzer/test/src/task/strong_mode_test.dart
diff --git a/pkg/analyzer/test/src/task/strong_mode_test.dart b/pkg/analyzer/test/src/task/strong_mode_test.dart
index 7f6ae6855a2b2168c396239992f1a0091cf723e1..6c5bda759965628616ba43335c53a57d9915316a 100644
--- a/pkg/analyzer/test/src/task/strong_mode_test.dart
+++ b/pkg/analyzer/test/src/task/strong_mode_test.dart
@@ -29,8 +29,9 @@ main() {
 class InstanceMemberInferrerTest extends ResolverTestCase {
   InstanceMemberInferrer createInferrer(LibraryElement library) {
     AnalysisContext context = library.context;
+    var inheritanceManager = new InheritanceManager(library);
     return new InstanceMemberInferrer(
-        context.typeProvider, new InheritanceManager(library), new Set(),
+        context.typeProvider, (_) => inheritanceManager, new Set(),
         typeSystem: context.typeSystem);
   }