Begin generating code for summary serialization/deserialization.

pkg/analyzer/tool/summary/check_test.dart

Index: pkg/analyzer/tool/summary/check_test.dart
diff --git a/pkg/analyzer/tool/task_dependency_graph/check_test.dart b/pkg/analyzer/tool/summary/check_test.dart
similarity index 79%
copy from pkg/analyzer/tool/task_dependency_graph/check_test.dart
copy to pkg/analyzer/tool/summary/check_test.dart
index 3d64a855eedf8c2a07be81f505ec5e7075a58157..ac5f7bb91f0a7f8d6797e589125e57932dcb2eeb 100644
--- a/pkg/analyzer/tool/task_dependency_graph/check_test.dart
+++ b/pkg/analyzer/tool/summary/check_test.dart
@@ -2,7 +2,7 @@
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
-library task_dependency_graph.check_test;
+library analyzer.tool.summary.check_test;
 
 import 'dart:io';
 
@@ -18,6 +18,6 @@ import 'generate.dart';
 main() {
   String script = Platform.script.toFilePath(windows: Platform.isWindows);
   String pkgPath = normalize(join(dirname(script), '..', '..'));
-  GeneratedContent.checkAll(pkgPath, 'tool/task_dependency_graph/generate.dart',
-      <GeneratedContent>[target]);
+  GeneratedContent.checkAll(
+      pkgPath, 'tool/summary/generate.dart', <GeneratedContent>[target]);
 }