[Webkit-unassigned] [Bug 68866] CompositeEditCommand::prune should remove subtree at once

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68866





--- Comment #4 from Ryosuke Niwa <rniwa at webkit.org>  2011-09-27 09:53:31 PST ---
(From update of attachment 108786)
View in context: https://bugs.webkit.org/attachment.cgi?id=108786&action=review

>> Source/WebCore/ChangeLog:9
>> +        This reduces the number of node removals from O(n) to O(1) where n is the depth of the tree.
> 
> Can we make a performance test demonstrating this fix? Ojan’s performance harness typically makes that easy.

Unfortunately not. This function isn't exposed to DRT or is used in any obvious way by an editing command to test it.

I could tweak breakOutOfEmptyMailBlockquotedParagraph to call this function but that seems like a bad testing strategy because any changes to breakOutOfEmptyMailBlockquotedParagraph will invalidate the test.

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