Make checked_cast a constexpr

base/numerics/safe_numerics_unittest.cc

Index: base/numerics/safe_numerics_unittest.cc
diff --git a/base/numerics/safe_numerics_unittest.cc b/base/numerics/safe_numerics_unittest.cc
index daef09960c918f7318d3c217713a5eab3d0f119c..f027cd934d49599d7d992385491fc3a6a355b4be 100644
--- a/base/numerics/safe_numerics_unittest.cc
+++ b/base/numerics/safe_numerics_unittest.cc
@@ -664,7 +664,7 @@ TEST(SafeNumerics, SaturatedCastChecks) {
                        std::numeric_limits<float>::infinity();
   EXPECT_TRUE(std::isnan(not_a_number));
   EXPECT_DEATH_IF_SUPPORTED(
-      (saturated_cast<int, base::SaturatedCastNaNBehaviorCheck>(not_a_number)),
+      (saturated_cast<int, base::CheckOnFailure>(not_a_number)),
       "");
 }