[Webkit-unassigned] [Bug 152831] Enable selector filtering for shadow trees

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=152831

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

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--- Comment #4 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
Comment on attachment 268451
  --> https://bugs.webkit.org/attachment.cgi?id=268451
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=268451&action=review

> Source/WebCore/css/RuleSet.cpp:229
> +            // FIXME: Custom pseudo elements are handled but the shadow tree's selector filter. It doesn't know about the main DOM.
> +            ruleData.disableSelectorFiltering();

The first part is not a complete sentence.

> Source/WebCore/css/SelectorFilter.cpp:57
> +bool SelectorFilter::parentStackIsConsistent(const ContainerNode* parentNode) const

Is it valid for parentNode to be null in this function?

> Source/WebCore/style/StyleTreeResolver.cpp:441
> +        SelectorFilterParentPusher parentPusher(m_selectorFilter, slot);
> +        parentPusher.push();

In other stack-based classes like this, the constructor would push by default, unless some argument told it not to.

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