tree ac18d3d9ebc049df567dfb0e937cca79bebe1906
parent 5f2d7a35f1e5a3a321b2c3b9184914705a431587
author vasilvv <vasilvv@google.com> 1613009652 -0800
committer Copybara-Service <copybara-worker@google.com> 1613009701 -0800

Replace QuicUnorderedSet and QuicHashSet with their direct Abseil counterparts.

Those implementations are already in use in Chromium.

PiperOrigin-RevId: 356873461
Change-Id: I327813da1556ab2b8d331306c179334ef4caf8d1