TaskScheduler: Add PriorityQueue::Transaction::PushNoWakeUp().

With this method, it is possible to push a Sequence into a
PriorityQueue without invoking the wake up callback.

BUG=553459

Review URL: https://codereview.chromium.org/1868673002

Cr-Commit-Position: refs/heads/master@{#386101}


CrOS-Libchrome-Original-Commit: 19d771360ca7e98660906a89deaa6223559f2f94
3 files changed
tree: d89feb364456cfb61329078431c1f429543010a5
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/