When we add an AuthorShadowDOM to select element, it should be rendered correctly.
Created attachment 160137 [details] Patch
Comment on attachment 160137 [details] Patch Attachment 160137 [details] did not pass efl-ews (efl): Output: http://queues.webkit.org/results/13563658
Comment on attachment 160137 [details] Patch Attachment 160137 [details] did not pass qt-ews (qt): Output: http://queues.webkit.org/results/13566640
Comment on attachment 160137 [details] Patch Attachment 160137 [details] did not pass qt-wk2-ews (qt): Output: http://queues.webkit.org/results/13565703
Comment on attachment 160137 [details] Patch Attachment 160137 [details] did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/13569612
Comment on attachment 160137 [details] Patch Attachment 160137 [details] did not pass mac-ews (mac): Output: http://queues.webkit.org/results/13561717
Created attachment 160309 [details] Patch
Comment on attachment 160309 [details] Patch Attachment 160309 [details] did not pass chromium-ews (chromium-xvfb): Output: http://queues.webkit.org/results/13563922
Created attachment 160311 [details] Patch
Comment on attachment 160311 [details] Patch The changing of the RenderObject type when adding a new shadow root is unsettling and I am hoping we'll come up with a better way to do this. However, this patch already has several bits that look like good refactoring improvements.
V1 API doesn't support this.