Generate dart2js and analyzer files for shared messages.

pkg/analyzer/lib/src/generated/generated/shared_messages.dart

Index: pkg/analyzer/lib/src/generated/generated/shared_messages.dart
diff --git a/pkg/analyzer/lib/src/generated/generated/shared_messages.dart b/pkg/analyzer/lib/src/generated/generated/shared_messages.dart
new file mode 100644
index 0000000000000000000000000000000000000000..e9a8ecf3865cf139b61ac2b009b540f6b419ffeb
--- /dev/null
+++ b/pkg/analyzer/lib/src/generated/generated/shared_messages.dart
@@ -0,0 +1,17 @@
+/*
+DON'T EDIT. GENERATED. DON'T EDIT.
+This file has been generated by 'publish.dart' in the dart_messages package.
+
+Messages are maintained in `lib/shared_messages.dart` of that same package.
+After any change to that file, run `bin/publish.dart` to generate a new version
+of the json, dart2js and analyzer representations.
+*/
+// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// 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.
+import 'package:analyzer/src/generated/error.dart';
+
+const AnalysisOptionsErrorCode exampleMessage = const AnalysisOptionsErrorCode(
+    'exampleMessage',
+    "{2} {1} {0}",
+    null);  // Generated. Don't edit.