ShadowRootList becomes now something rather than a simple list. We should consider better name of ShadowRootList.
shinyak, morrita, and hayato discussed this and concluded that ShadowTree is good.
Created attachment 128694 [details] Patch
Created attachment 128695 [details] Patch
Let's wait for buildbot being green.
Created attachment 128937 [details] Patch
Comment on attachment 128937 [details] Patch Clearing flags on attachment: 128937 Committed r108959: <http://trac.webkit.org/changeset/108959>
All reviewed patches have been landed. Closing bug.