[Webkit-unassigned] [Bug 73350] [chromium] Allow scrolling non-root layers in the compositor thread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=73350


James Robinson <jamesr at chromium.org> changed:

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 Attachment #120067|review?                     |review+
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--- Comment #36 from James Robinson <jamesr at chromium.org>  2011-12-20 20:15:33 PST ---
(From update of attachment 120067)
Looks good, R=me.

This looks like a really good use case for the layer tree iterators underway here: https://bugs.webkit.org/show_bug.cgi?id=74203.  Sami, when you get a chance could you add some unit tests for the hit testing order in various cases (no render surfaces, render surfaces that overlap, backface of single-sided, etc) so that we can transition the collect*Layers() logic over to using iterators with confidence that we aren't regressing behavior?

Set cq? when this is ready to land and myself or any committer can mark it cq+.  I'm not sure if there are conflicts or overlaps with other patches, so I'm not setting it now.

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