Deprecate --gfe2_reloadable_flag_quic_utils_use_fast_incremental_hash.

net/quic/quic_utils_test.cc

Index: net/quic/quic_utils_test.cc
diff --git a/net/quic/quic_utils_test.cc b/net/quic/quic_utils_test.cc
index d4b99fd9ec03fed7807df2694e443aef6de4eaa0..7412a24052d71c43f7a7e87914fa1034b0aaa0eb 100644
--- a/net/quic/quic_utils_test.cc
+++ b/net/quic/quic_utils_test.cc
@@ -175,19 +175,7 @@ uint128 IncrementalHashReference(const void* data, size_t len) {
   return hash;
 }
 
-TEST(QuicUtilsHashTest, ReferenceTestSlow) {
-  FLAGS_quic_utils_use_fast_incremental_hash = false;
-  std::vector<uint8_t> data(32);
-  for (size_t i = 0; i < data.size(); ++i) {
-    data[i] = i % 255;
-  }
-  EXPECT_EQ(IncrementalHashReference(data.data(), data.size()),
-            QuicUtils::FNV1a_128_Hash(
-                reinterpret_cast<const char*>(data.data()), data.size()));
-}
-
-TEST(QuicUtilsHashTest, ReferenceTestFast) {
-  FLAGS_quic_utils_use_fast_incremental_hash = true;
+TEST(QuicUtilsHashTest, ReferenceTest) {
   std::vector<uint8_t> data(32);
   for (size_t i = 0; i < data.size(); ++i) {
     data[i] = i % 255;