Danil Chapovalov 8d94dc23a6 Add TimeDelta and Timestamp factories
These factories suppose to replace set of old constexpr factories that
takes parameter as template rather than function parameter,
as well as fix function naming to follow style guide of the second set
of factory functions.

Bug: None
Change-Id: Icd76302b821b2a4027f9d6765cf91bc9190f551c
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/167521
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30482}
2020-02-07 11:30:36 +00:00
..
2019-07-08 13:45:15 +00:00
2019-06-05 15:08:57 +00:00
2019-06-07 09:54:02 +00:00