tree c2b2e46c85d5da0f8c9529952050c7098ecd4b90
parent 88f90b40111e2c5274de49e8f30297af87961db9
author Hector Dearman <hjd@google.com> 1568712486 +0100
committer Hector Dearman <hjd@google.com> 1568712657 +0000

perfetto-ui: Checkerboard on no data

We left it up to individual tracks to checkerboard on no data
which most weren't doing. Instead handle this in the super
class.

Change-Id: Ibf54db77363f7b1c09a427f0749f62e5aebd8108