Fix 10 ClangTidy - Performance findings in //depot/google3/third_party/quic/.

These fixes are automatically created by various analysis tools, but their application in this CL has been manually triggered.  See go/code-findings-fixes.

* passing result of std::move() as a const reference argument; no move will actually happen (4 times)
* use absl::StartsWith instead of find() == 0
* use ZeroDuration() for zero-length time intervals (5 times)

PiperOrigin-RevId: 276497039
Change-Id: Ic5461dfa0fee864263437bafa7d4a137e2b44f25
6 files changed
tree: 240a5981564255996b60df9a4bb7c3797e15f8f7
  4. common/
  5. epoll_server/
  6. http2/
  7. quic/
  8. spdy/


QUICHE (QUIC, Http/2, Etc) is Google‘s implementation of QUIC and related protocols. It powers Chromium as well as Google’s QUIC servers and some other projects.