[Webkit-unassigned] [Bug 93857] New: HTMLTreeBuilder::furthestBlockForFormattingElement should belong to HTMLElementStack

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=93857

           Summary: HTMLTreeBuilder::furthestBlockForFormattingElement
                    should belong to HTMLElementStack
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: HTML DOM
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: skyul at company100.net


HTMLTreeBuilder::furthestBlockForFormattingElement should belong to HTMLElementStack because it traverses the element stack and finds the furthest formatting element. 

Currently, it belongs to HTMLTreeBuilder just because isSpecialNode(const HTMLStackItem*) function used by furthestBlockForFormattingElement is internal to HTMLTreeBuilder. By moving isSpecialNode to HTMLStackItem, we can move furthestBlockForFormattingElement to HTMLElementStack.

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