[webkit-reviews] review requested: [Bug 74203] [chromium] Create iterators for the RenderSurface-Layer tree : [Attachment 118614] Patch

[bugzilla-daemon at webkit.org]

Dana Jansens <danakj at chromium.org> has asked  for review:
Bug 74203: [chromium] Create iterators for the RenderSurface-Layer tree
https://bugs.webkit.org/show_bug.cgi?id=74203

Attachment 118614: Patch
https://bugs.webkit.org/attachment.cgi?id=118614&action=review

------- Additional Comments from Dana Jansens <danakj at chromium.org>
This patch makes a CCLayerIterator class with 3 possible iterator orderings.

The iterator class is used in 2 places to demonstrate its use (CCLayerTreeHost
and CCLayerTreeHostCommon) but could be used it more places as well.