548d7c3f70
It previously used absl::variant, which appears not to be as constexpr friendly. E.g., it is possible for a constexpr function to return base::expected<void, std::string> when using std::variant, but not when using absl::variant. Additionally adds the include for absl::variant to a few files that were previously relying on it being included transitively via base/types/expected.h so they continue to compile, and removes one instance of an unused variable that the compiler can properly detect now that std::variant is used. Change-Id: Ibab13382202c69fd45c5aff318e8f56b3ac0d30f Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6345816 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Erik Jensen <rkjnsn@chromium.org> Owners-Override: Lei Zhang <thestig@chromium.org> Cr-Commit-Position: refs/heads/main@{#1431735}