[Webkit-unassigned] [Bug 209580] New: enumerateDevices returns different value by calling more than twice

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=209580

            Bug ID: 209580
           Summary: enumerateDevices returns different value by calling
                    more than twice
           Product: WebKit
           Version: Safari 13
          Hardware: Macintosh
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebRTC
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: y.sugiura.0316 at gmail.com
                CC: youennf at gmail.com

`navigator.mediaDevices.enumerateDevices()` seems not to return same value for the first time calling and after another.

# How to reproduce

- open web page(no matter which page is) and DevTools(Console)
- call `await navigator.mediaDevices.enumerateDevices()`
  - check the result has `audioinput` and `videoinput` devices
- call `await navigator.mediaDevices.enumerateDevices()` again
  - expect the same result, but it returns `audioinput` and `audioinput`(no `videoinput`)

If you got permission by calling `getUserMedia()` first, it works as expected.

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