Index: sdk/lib/profiler/profiler.dart |
diff --git a/sdk/lib/profiler/profiler.dart b/sdk/lib/profiler/profiler.dart |
new file mode 100644 |
index 0000000000000000000000000000000000000000..51bb53d9217931a4f1737c8935a6fcfe847c7905 |
--- /dev/null |
+++ b/sdk/lib/profiler/profiler.dart |
@@ -0,0 +1,16 @@ |
+// Copyright (c) 2014, 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. |
+ |
+library dart.profiler; |
+ |
+/// A UserTag can be used to group samples in the Observatory profiler. |
+abstract class UserTag { |
+ external factory UserTag(String label); |
+ |
+ /// Label of [this]. |
+ String get label; |
+ |
+ /// Make [this] the current tag. |
+ makeCurrent(); |
+} |