Bug 60716

Summary:	Need a way to test overlay scrollbars in DumpRenderTree
Product:	WebKit	Reporter:	Adam Roben (:aroben) <aroben>
Component:	Tools / Tests	Assignee:	Nobody <webkit-unassigned>
Status:	NEW
Severity:	Normal	CC:	bdakin, cgarcia, jamesr, simon.fraser
Priority:	P2	Keywords:	InRadar
Version:	528+ (Nightly build)
Hardware:	Mac
OS:	OS X 10.6

Adam Roben (:aroben)

Reported 2011-05-12 11:40:27 PDT

There's currently no way to test overlay scrollbars in DumpRenderTree. We should add a way to test them so that we can test all this awesome overlay scrollbar code we have!

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Adam Roben (:aroben)

Comment 1 2011-05-12 11:41:07 PDT

<rdar://problem/9428805>

Simon Fraser (smfr)

Comment 2 2013-11-08 17:52:08 PST

Currently the mock scrollbar theme clobbers internals.setUseOverlayScrollbars(true). When I tried to fix that I got crashes sending messages to invalid NSScrollerImp objects. But we should try to fix that!

Carlos Garcia Campos

Comment 3 2016-02-09 01:49:50 PST

In bug #153479, I implemented ScrollbarThemeMock::usesOverlayScrollbars() and updated the expectations of compositing/overflow/overflow-scrollbar-layer-positions.html

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