chromium/third_party/blink/renderer/modules/mediacapturefromelement/html_canvas_element_capture.idl

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

// https://w3c.github.io/mediacapture-fromelement/#html-canvas-element-media-capture-extensions
[
    ImplementedAs=HTMLCanvasElementCapture
] partial interface HTMLCanvasElement {
    [HighEntropy, MeasureAs=CanvasCaptureStream, RaisesException, CallWith=ScriptState] MediaStream captureStream (optional double frameRate);
};