[Webkit-unassigned] [Bug 161136] New: More cleanup for the mpadded implementation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=161136

            Bug ID: 161136
           Summary: More cleanup for the mpadded implementation
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: MathML
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fred.wang at free.fr

It seems that the m_ascent member is not really needed as the ascent can be easily calculated in firstLineBaseLine() after some adjustment with how the attribute values are resolved. I was not able to find a testcase that shows how it improves dynamic update. Actually, it seems that we no longer need to override styleDidChange and updateFromElement so I'll remove them in that bug too.

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