tree ce04fe65f69ac4a3a033ad0dca9a95234e0b7468
parent e3de4d0b658e6bbcc429e568f8c269cd6c160e35
parent 6f6675464c82fc796d72458d7268e28d759b997f
author Yifan Hong <elsk@google.com> 1490146669 +0000
committer Gerrit Code Review <noreply-gerritcodereview@google.com> 1490146670 +0000

Merge changes from topic 'taskrunner_details'

* changes:
  TaskRunner starts the background thread only when needed
  Simplify the implementation of TaskRunner.
  Move TaskRunner and SynchronizedQueue to details