Disable overlay scrollbars to hide them on non-Mac.

third_party/WebKit/LayoutTests/TestExpectations

Index: third_party/WebKit/LayoutTests/TestExpectations
diff --git a/third_party/WebKit/LayoutTests/TestExpectations b/third_party/WebKit/LayoutTests/TestExpectations
index cbccfc0281fa2deb2d819d036312617555a459fc..394ac5365612652d0846875ab73ff95034d155b0 100644
--- a/third_party/WebKit/LayoutTests/TestExpectations
+++ b/third_party/WebKit/LayoutTests/TestExpectations
@@ -891,6 +891,7 @@ crbug.com/417782 virtual/rootlayerscrolls/fast/scrolling/scrollable-area-frame-z
 crbug.com/417782 virtual/rootlayerscrolls/fast/scrolling/scrollable-area-frame.html [ Failure ]
 crbug.com/417782 virtual/rootlayerscrolls/fast/scrolling/scrollbar-tickmarks-styled.html [ Failure ]
 crbug.com/417782 virtual/rootlayerscrolls/fast/scrolling/scrollbar-tickmarks-styled-after-onload.html [ Failure ]
+crbug.com/417782 virtual/rootlayerscrolls/scrollbars/hidden-scrollbars-invisible.html [ Failure ]

[skobes, 2016/11/17 21:16:31]

Do you know why this fails?

[bokan, 2016/11/17 23:22:27]

I hadn't dug in deeply to find out the root cause but it looked like the clip is
applied in correctly to iframes for some reason. I assumed that was the reason
but on closer inspection there was more.

scrolling="no" on an iframe doesn't work. I disabled the scrollbars through
style so that did the trick. The only issue is now that it doesn't work because
the scrollingElement has overflow:auto which doesn't work but is fixed by the
follow up patch so I left this line in and removed it in the followup.

[skobes, 2016/11/17 23:54:58]

Ok, thanks for digging into it.

 
 crbug.com/651343 fast/text/international/inline-plaintext-relayout-with-leading-neutrals.html [ Pass Failure ]