Create a task in the new task model to compute constant dependencies.

pkg/analyzer/test/generated/all_the_rest_test.dart

Index: pkg/analyzer/test/generated/all_the_rest_test.dart
diff --git a/pkg/analyzer/test/generated/all_the_rest_test.dart b/pkg/analyzer/test/generated/all_the_rest_test.dart
index 9dc33a745d0af9f761e56fda20175430d3ad2698..08b9ba31274bd8384446e1b82bce3184bfd9bcde 100644
--- a/pkg/analyzer/test/generated/all_the_rest_test.dart
+++ b/pkg/analyzer/test/generated/all_the_rest_test.dart
@@ -8052,7 +8052,9 @@ class ReferenceFinderTest extends EngineTestCase {
     expect(tails.first, same(tail));
   }
   ReferenceFinder _createReferenceFinder(Element source) =>
-      new ReferenceFinder(source, _referenceGraph);
+      new ReferenceFinder((Element dependency) {
+    _referenceGraph.addEdge(source, dependency);
+  });
   SuperConstructorInvocation _makeTailSuperConstructorInvocation(
       String name, bool isConst) {
     List<ConstructorInitializer> initializers =