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Re: [mediacapture-fromelement] The sequence canvas.transferControlToOffscreen() followed by canvas.captureStream() does not appear to be specified (#84)

From: guest271314 via GitHub <sysbot+gh@w3.org>
Date: Tue, 14 Jan 2020 18:10:59 +0000
To: public-webrtc-logs@w3.org
Message-ID: <issue_comment.created-574302723-1579025458-sysbot+gh@w3.org>
This logs `OffscreenCanvas` and `MediaStream` instances at Chromium 81

```
    const canvas = document.querySelector("canvas");
    const offscreen = canvas.transferControlToOffscreen();
    const stream = canvas.captureStream();
    console.log(offscreen, stream);
```

throws an exception 

`NS_ERROR_NOT_IMPLEMENTED`

at Nightly 74.

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