[Webkit-unassigned] [Bug 83983] New: REGRESSION(r96257): Deleting a large amount of text is very slow

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=83983

           Summary: REGRESSION(r96257): Deleting a large amount of text is
                    very slow
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Keywords: InRadar
          Severity: Normal
          Priority: P2
         Component: HTML Editing
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: adele at apple.com


Created an attachment (id=137218)
 --> (https://bugs.webkit.org/attachment.cgi?id=137218&action=review)
test

Regressed with the change for:

Setting innerText to an empty string on editable div loses focus
 https://bugs.webkit.org/show_bug.cgi?id=62092
http://trac.webkit.org/changeset/96257

Load the attached test case, select-all, and delete.  Before this change it was reasonably quick.  After this change, there's a very long wait (not actually sure if it ever finishes).

The markup in the test is very simple - just lots of <br>s and text.

<rdar://problem/10826076>

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