[Webkit-unassigned] [Bug 189663] REGRESSION (PSON): White or Black flash occurs when process swapping on navigation on Mac

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189663

Geoffrey Garen <ggaren at apple.com> changed:

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--- Comment #3 from Geoffrey Garen <ggaren at apple.com> ---
Comment on attachment 349886
  --> https://bugs.webkit.org/attachment.cgi?id=349886
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=349886&action=review

r=me

> Source/WebKit/ChangeLog:24
> +        We no longer tear down drawing area (layer tree) for suspended pages automatically. Send an explicit
> +        message for it.

How do we ensure that suspended but not navigated pages tear down their layer trees? I don't see a call to tearDownDrawingAreaInWebProcess in that case. Is it already covered some other way?

> Source/WebKit/WebProcess/WebPage/WebPage.messages.in:509
> +    TearDownDrawingAreaForSuspended();

Let's call this TearDownDrawingAreaForSuspend.

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