[Webkit-unassigned] [Bug 181460] REGRESSION(r225650): The scores of MotionMark tests Multiply and Leaves dropped by 8%

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Jan 11 13:09:06 PST 2018


https://bugs.webkit.org/show_bug.cgi?id=181460

--- Comment #12 from Ryosuke Niwa <rniwa at webkit.org> ---
(In reply to Antti Koivisto from comment #11)
> Yeah, SecurityOrigin::canRequest is inefficient (heap allocating a temporary
> SecurityOrigin for example) and could be optimized. However that will
> require bit more refactoring than should be done in this patch.
> 
> The logic here is about figuring out if the stylesheet content is readable
> via getMatchedCSSRules. The rules from the document itself are supposed to
> be accessible.

Are you sure this won't allow two null-origin documents to be treated as if sharing the same origin?

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