RTL should not affect the progress bar, but on Qt it changes the direction of the progress indicator, making it flow in the opposite direction of the knob.
Created attachment 160440 [details] Test case for the bug
Created attachment 160443 [details] Patch
Comment on attachment 160443 [details] Patch I wonder if there is any way to test this, apart from pixel tests.
Comment on attachment 160443 [details] Patch Clearing flags on attachment: 160443 Committed r126601: <http://trac.webkit.org/changeset/126601>
All reviewed patches have been landed. Closing bug.