Remove memento.

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

Index: pkg/analyzer/test/src/task/model_test.dart
diff --git a/pkg/analyzer/test/src/task/model_test.dart b/pkg/analyzer/test/src/task/model_test.dart
index 74723e47723a390d8aca9073f6787a5bb0e5dec2..b75afd61a143e56e74ad3de2ea651f9ed6b804c7 100644
--- a/pkg/analyzer/test/src/task/model_test.dart
+++ b/pkg/analyzer/test/src/task/model_test.dart
@@ -126,13 +126,10 @@ class TaskDescriptorImplTest extends EngineTestCase {
     AnalysisContext context = null;
     AnalysisTarget target = new TestSource();
     Map<String, dynamic> inputs = {};
-    String inputMemento = 'main() {}';
-    AnalysisTask createTask =
-        descriptor.createTask(context, target, inputs, inputMemento);
+    AnalysisTask createTask = descriptor.createTask(context, target, inputs);
     expect(createTask, isNotNull);
     expect(createTask.context, context);
     expect(createTask.inputs, inputs);
-    expect(createTask.inputMemento, inputMemento);
     expect(createTask.target, target);
   }
 }