[ContentChangeObserver] Check if visibility change happens while dispatching mouseMoved

[zalan]

ssia

[Radar WebKit Bug Importer]

<rdar://problem/48682004>

[zalan]

Created attachment 363902 [details]
Patch

[Simon Fraser (smfr)]

Comment on attachment 363902 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=363902&action=review

> Source/WebCore/ChangeLog:9
> +        Visibility change might be triggered synchronously while dispatching mouseMoved event.

Maybe say that this is restoring old behavior.

[zalan]

Created attachment 363981 [details]
Patch

[zalan]

Created attachment 363983 [details]
Patch

[Wenson Hsieh]

Comment on attachment 363983 [details]
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=363983&action=review

> LayoutTests/fast/events/touch/ios/content-observation/visibility-change-happens-while-in-mousemoved.html:45
> +        setTimeout(testRunner.notifyDone(), 0);

Here too, setTimeout(testRunner.notifyDone(), …)

[zalan]

Created attachment 363986 [details]
Patch

[WebKit Commit Bot]

Comment on attachment 363986 [details]
Patch

Clearing flags on attachment: 363986

Committed r242635: <https://trac.webkit.org/changeset/242635>

[WebKit Commit Bot]

All reviewed patches have been landed.  Closing bug.