google/trace-viewer — pull request #658 by kphanee (2014-11-12 11:45:05+00:00)
Title: Add toplevel trace category in all preset record modes.

Its important that we show people the distinction between idle
and doing-something-that-wasn't traced. To differentiate include
toplevel trace category in all preset modes.

BUG=607

R=nduca,dsinclair