[Webkit-unassigned] [Bug 206099] Deploy Ref and RefPtr in DOMWindow::scroll* functions

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=206099

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

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--- Comment #6 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Comment on attachment 387396
  --> https://bugs.webkit.org/attachment.cgi?id=387396
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=387396&action=review

> Source/WebCore/page/DOMWindow.cpp:1644
> +    auto frame = makeRefPtr(this->frame());
> +    if (!frame)
>          return;
>  
> +    auto view = makeRefPtr(frame->view());
> +    if (!view)
> +        return;

We repeat this pattern in various accessors in this file. It's so common I think we should share code for it.

I also think we should limit 'view' and 'frame' to a scope that ends before the updateLayoutIgnorePendingStylesheets call. I see no reason to keep a ref to these across the updateLayoutIgnorePendingStylesheets call.

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