Enabling the fullscreen API and activating fullscreen display on the linked page shows scrollbars flickering with the video display. They need to be neutralized by the ChromeClieng GtkAdjustmentWatcher in that case.
Created attachment 117463 [details] Disable scrollbars when switching to fullscreen
Comment on attachment 117463 [details] Disable scrollbars when switching to fullscreen View in context: https://bugs.webkit.org/attachment.cgi?id=117463&action=review Okay! > Source/WebKit/gtk/WebCoreSupport/GtkAdjustmentWatcher.cpp:55 > + Extra line here?
Committed r101765: <http://trac.webkit.org/changeset/101765>