third_party/WebKit/Source/core/timing/PerformanceObserver.idl

// 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.

// http://w3c.github.io/performance-timeline/#idl-def-PerformanceObserverCallback
callback PerformanceObserverCallback = void (PerformanceObserverEntryList entries, PerformanceObserver observer);

// http://w3c.github.io/performance-timeline/#the-performance-observer-interface
[
    CustomConstructor(PerformanceObserverCallback callback),
    RuntimeEnabled=PerformanceObserver,
] interface PerformanceObserver {
    [RaisesException] void observe(PerformanceObserverInit options);
    void disconnect();
};