I think <base> and <link> work as expected, but it's good to have test to confirm it. Spec is here. https://dvcs.w3.org/hg/webcomponents/raw-file/tip/spec/shadow/index.html#inert-html-elements
Created attachment 134237 [details] Patch
Comment on attachment 134237 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=134237&action=review > LayoutTests/ChangeLog:9 > + This test checks adding <base> or <link> in shadow root will not affect the > + elements outside the shadow tree. Outside _and_ inside?
Created attachment 134545 [details] Patch for landing
Committed r112518: <http://trac.webkit.org/changeset/112518>