[Webkit-unassigned] [Bug 33520] Mapping from local to container coord space is O(N^2)

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=33520


James Robinson <jamesr at chromium.org> changed:

           What    |Removed                     |Added
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                 CC|                            |mitz at webkit.org




--- Comment #28 from James Robinson <jamesr at chromium.org>  2010-03-04 13:31:43 PST ---
Patch speeds up the position:relative test page by about 55%.  The
functionality overlaps quite a bit with LayoutState, but for this particular
use most of the features of LayoutState are unnecessary.  If this approach
looks OK then I'd like to merge it with the offset caching portion of
LayoutState to avoid duplication.

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