[webkit-reviews] review requested: [Bug 133121] REGRESSION (r169065): Mountain Lion run-api-tests failures: ASSERTION FAILED: Uncaught exception - -[NSRegularLegacyScrollerImp setPresentationValue:]: unrecognized selector sent to instance 0x7ff51aa38000 : [Attachment 231781] Patch

[bugzilla-daemon at webkit.org]

Beth Dakin <bdakin at apple.com> has asked  for review:
Bug 133121: REGRESSION (r169065): Mountain Lion run-api-tests failures:
ASSERTION FAILED: Uncaught exception - -[NSRegularLegacyScrollerImp
setPresentationValue:]: unrecognized selector sent to instance 0x7ff51aa38000
https://bugs.webkit.org/show_bug.cgi?id=133121

Attachment 231781: Patch
https://bugs.webkit.org/attachment.cgi?id=231781&action=review

------- Additional Comments from Beth Dakin <bdakin at apple.com>
The other ifdef will work, but this one is better and it matches the ifdef in
Scrollbar::supportsUpdateOnSecondaryThread().