tree ce20e0b9dd3008009a2d049dcfcbe89050a5df95
parent 62826931e84c49c94192065c896931576d8273c8
author QUICHE team <quiche-dev@google.com> 1756411305 -0700
committer Copybara-Service <copybara-worker@google.com> 1756411358 -0700

Have tracing hooks be owned by GetAuthTokens

This ensures BlindSignPerformanceHooks implementations don't need to implement thread safety and complicated bookkeeping if there are multiple concurrent calls to GetAuthTokens. It also eliminates the need for the caller to manage the lifetime of the hooks across callback chains.

PiperOrigin-RevId: 800580727