Replace 'Element.node' with 'Element.computeNode()'.

pkg/analysis_server/test/services/search/search_engine_test.dart

Index: pkg/analysis_server/test/services/search/search_engine_test.dart
diff --git a/pkg/analysis_server/test/services/search/search_engine_test.dart b/pkg/analysis_server/test/services/search/search_engine_test.dart
index ed716100f7b9cc7cd07628837647ef867950b31a..7eaf70b57838b1b77cbc893274ea4268bf9e8ab8 100644
--- a/pkg/analysis_server/test/services/search/search_engine_test.dart
+++ b/pkg/analysis_server/test/services/search/search_engine_test.dart
@@ -352,8 +352,8 @@ part 'unitB.dart';
     LibraryElement element = testLibraryElement;
     CompilationUnitElement elementA = element.parts[0];
     CompilationUnitElement elementB = element.parts[1];
-    index.indexUnit(context, elementA.node);
-    index.indexUnit(context, elementB.node);
+    index.indexUnit(context, elementA.computeNode());
+    index.indexUnit(context, elementB.computeNode());
     var expected = [
       new ExpectedMatch(elementA, MatchKind.REFERENCE,
           codeA.indexOf('lib; // A'), 'lib'.length),