[Webkit-unassigned] [Bug 153893] Use scope stack instead of nested TreeResolvers for shadow trees

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=153893

--- Comment #3 from Ryosuke Niwa <rniwa at webkit.org> ---
Comment on attachment 270745
  --> https://bugs.webkit.org/attachment.cgi?id=270745
patch

View in context: https://bugs.webkit.org/attachment.cgi?id=270745&action=review

> Source/WebCore/style/StyleTreeResolver.h:80
> +    struct Scope : RefCounted<Scope> {

Does this really need to be RefCounted?

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