Reduce ref-count churn in shadowPseudoId.
Created attachment 80142 [details] Patch
Comment on attachment 80142 [details] Patch loooks good though the patch isn't applied cleanly.
(In reply to comment #2) > (From update of attachment 80142 [details]) > loooks good though the patch isn't applied cleanly. Yup. The patch is from the future -- needs the one in bug 48698 landed first :)
Since the patch in bug 53122 got rolled out, I will land this as a smaller change (without MediaControlElements.cpp parts).
Committed r76727: <http://trac.webkit.org/changeset/76727>