[Webkit-unassigned] [Bug 160865] New: Shadow DOM: Toggling class in `::slotted(.class)` does not trigger style recalc

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=160865

            Bug ID: 160865
           Summary: Shadow DOM: Toggling class in `::slotted(.class)` does
                    not trigger style recalc
    Classification: Unclassified
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: webkit at keanulee.com
                CC: cdumez at apple.com

Similar to, but may not be the same as https://bugs.webkit.org/show_bug.cgi?id=160864

Repro: http://jsbin.com/voviqe/1/edit?html,output



Toggling class "special" does not cause a style recalc:

::slotted(.special) {
  background: green
}

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