84f8cd6df4
This change makes use of the TickTimer::Stopwatch in Packets. When a packet is inserted into the PacketBuffer, a Stopwatch object is attached to it. When the packet is extracted from the buffer, the Stopwatch is read to know how long the packet waited in the buffer. BUG=webrtc:5608 Review URL: https://codereview.webrtc.org/1917913002 Cr-Commit-Position: refs/heads/master@{#12508}