[MediaStream] 'devicechange' event should not fire in frames that can't access capture devices

[Eric Carlson]

A 'devicechange' event should not be fired in an iframe unless it has access to capture devices.

[Radar WebKit Bug Importer]

<rdar://problem/46562063>

[Eric Carlson]

Created attachment 356832 [details]
Patch

[youenn fablet]

Comment on attachment 356832 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=356832&action=review

> Source/WebKit/UIProcess/UserMediaPermissionRequestManagerProxy.cpp:103
> +        auto accessState = originHasPersistentAccess ? DeviceAccessState::PersistentAccess : DeviceAccessState::SessionAccess;

Do we need to send that information any longer?
It seems that just knowing that we have access is good enough now.

> LayoutTests/http/tests/media/media-stream/device-change-event-in-iframe.html:6
> +    <iframe id="camera" allow="camera" src="http://localhost:8000/media/media-stream/resources/device-change-iframe.html?2"></iframe>

For the sake of completeness, I would tend to add a frame with an allow="microphone" as well.

[EWS Watchlist]

Comment on attachment 356832 [details]
Patch

Attachment 356832 [details] did not pass mac-wk2-ews (mac-wk2):
Output: https://webkit-queues.webkit.org/results/10308982

New failing tests:
http/tests/media/media-stream/device-change-event-in-iframe.html

[EWS Watchlist]

Created attachment 356836 [details]
Archive of layout-test-results from ews107 for mac-sierra-wk2

The attached test failures were seen while running run-webkit-tests on the mac-wk2-ews.
Bot: ews107  Port: mac-sierra-wk2  Platform: Mac OS X 10.12.6

[Eric Carlson]

Created attachment 356854 [details]
Patch for landing.

[WebKit Commit Bot]

Comment on attachment 356854 [details]
Patch for landing.

Clearing flags on attachment: 356854

Committed r239006: <https://trac.webkit.org/changeset/239006>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.