| Index: runtime/lib/timeline.dart
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| diff --git a/runtime/lib/timeline.dart b/runtime/lib/timeline.dart
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| index b2aa16506e5bcd7f27b1dd87514ef691e63933a5..da5760eb5562bbfebc77d7c0bbae969bb4d8ddc8 100644
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| --- a/runtime/lib/timeline.dart
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| +++ b/runtime/lib/timeline.dart
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| @@ -2,6 +2,8 @@
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|  // for details. All rights reserved. Use of this source code is governed by a
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|  // BSD-style license that can be found in the LICENSE file.
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|  
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| +import 'dart:_internal';
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| +
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|  @patch bool _isDartStreamEnabled() native "Timeline_isDartStreamEnabled";
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|  
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|  @patch int _getTraceClock() native "Timeline_getTraceClock";
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| 
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