155912 2016-03-25 17:45:03 -0700 [OS X] Layout sometimes flakily assumes overlay scrollbars when clicky-scroll-wheel-mouse is attached and system preference detects scrollbar mode 2016-03-26 11:37:09 -0700 1 1 1 Unclassified WebKit New Bugs WebKit Nightly Build Unspecified Unspecified RESOLVED FIXED P2 Normal --- 1 mmaxfield mmaxfield commit-queue dino jonlee simon.fraser thorton oldest_to_newest 1178198 0 mmaxfield 2016-03-25 17:45:03 -0700 [OS X] Layout sometimes flakily assumes overlay scrollbars when clicky-scroll-wheel-mouse is attached and system preference detects scrollbar mode 1178200 1 274962 mmaxfield 2016-03-25 17:55:07 -0700 Created attachment 274962 Patch 1178203 2 mmaxfield 2016-03-25 17:55:15 -0700 *** Bug 155867 has been marked as a duplicate of this bug. *** 1178282 3 274962 simon.fraser 2016-03-26 10:26:17 -0700 Comment on attachment 274962 Patch Maybe we should just have some global object that listens for the notifications, to avoid all these timing issues. 1178285 4 mmaxfield 2016-03-26 10:47:07 -0700 (In reply to comment #3) > Comment on attachment 274962 [details] > Patch > > Maybe we should just have some global object that listens for the > notifications, to avoid all these timing issues. We do (now)! That's what the WebScrollbarPrefsObserver is. 1178288 5 274962 commit-queue 2016-03-26 11:37:04 -0700 Comment on attachment 274962 Patch Clearing flags on attachment: 274962 Committed r198717: <http://trac.webkit.org/changeset/198717> 1178289 6 commit-queue 2016-03-26 11:37:09 -0700 All reviewed patches have been landed. Closing bug. 274962 2016-03-25 17:55:07 -0700 2016-03-26 11:37:04 -0700 Patch bug-155912-20160325175509.patch text/plain 4013 mmaxfield U3VidmVyc2lvbiBSZXZpc2lvbjogMTk4NjU4CmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggNDRlN2IxNWU1ZTNmNDhj ZjExNjUyYWFhN2FkNmY1NGU4ZjU0NmU0Ny4uOTc3MDU5ZGU2NThhODZjNTQyNzk0MDRiMzI1ODIy ZDM0MjBiMzMyOCAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDM2IEBACisyMDE2LTAzLTI1ICBNeWxl cyBDLiBNYXhmaWVsZCAgPG1tYXhmaWVsZEBhcHBsZS5jb20+CisKKyAgICAgICAgW09TIFhdIExh eW91dCAgc29tZXRpbWVzIGZsYWtpbHkgYXNzdW1lcyBvdmVybGF5IHNjcm9sbGJhcnMgd2hlbiBj bGlja3ktc2Nyb2xsLXdoZWVsLW1vdXNlIGlzIGF0dGFjaGVkIGFuZCBzeXN0ZW0gcHJlZmVyZW5j ZSBkZXRlY3RzIHNjcm9sbGJhciBtb2RlCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3Jn L3Nob3dfYnVnLmNnaT9pZD0xNTU5MTIKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9P UFMhKS4KKworICAgICAgICBXaGVuIHRoZSBzeXN0ZW0gcHJlZmVyZW5jZSBpcyBzZXQgdG8gZGV0 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