Merge commit 'c4d5d02667af6989a3121072871f6a4b1e68b594' * commit 'c4d5d02667af6989a3121072871f6a4b1e68b594': Add new window manager type for a hacking second-level media surface.
Merge commit 'c4d5d02667af6989a3121072871f6a4b1e68b594' * commit 'c4d5d02667af6989a3121072871f6a4b1e68b594': Add new window manager type for a hacking second-level media surface.