We already know this in WK2, just plumb it through to the frontend.
<rdar://problem/11573736>
Created attachment 301318 [details] Proposed Fix
Comment on attachment 301318 [details] Proposed Fix View in context: https://bugs.webkit.org/attachment.cgi?id=301318&action=review r=me > Source/WebCore/inspector/InspectorFrontendHost.h:2 > + * Copyright (C) 2007, 2017 Apple Inc. All rights reserved. Nit: 2007-2017 I think is the new way to avoid endless commas. (here and elsewhere) > Source/WebCore/inspector/InspectorFrontendHost.idl:45 > + DOMString userInterfaceLayoutDirection(); I'd expect an InspectorFrontendHostStub implementation of this.
Committed r212272: <http://trac.webkit.org/changeset/212272>