| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // https://w3c.github.io/performance-timeline/#idl-def-PerformanceObserverCallback |
| callback PerformanceObserverCallback = void (PerformanceObserverEntryList entries, PerformanceObserver observer); |
| |
| // https://w3c.github.io/performance-timeline/#the-performance-observer-interface |
| [ |
| ActiveScriptWrappable, |
| DependentLifetime, |
| Constructor(PerformanceObserverCallback callback), |
| ConstructorCallWith=ScriptState, |
| Exposed=(Window,Worker) |
| ] interface PerformanceObserver { |
| [RaisesException] void observe(PerformanceObserverInit options); |
| void disconnect(); |
| }; |