Add a platform implementation of QuicTest and QuicTestWithParam

net/tools/quic/stateless_rejector_test.cc

Index: net/tools/quic/stateless_rejector_test.cc
diff --git a/net/tools/quic/stateless_rejector_test.cc b/net/tools/quic/stateless_rejector_test.cc
index 50b5a83adf641f828b0f0a465a482ec65b5a664f..190121cb48ab251531ed3ee254da6bee0e7fcb0c 100644
--- a/net/tools/quic/stateless_rejector_test.cc
+++ b/net/tools/quic/stateless_rejector_test.cc
@@ -15,6 +15,7 @@
 #include "net/quic/platform/api/quic_ptr_util.h"
 #include "net/quic/platform/api/quic_str_cat.h"
 #include "net/quic/platform/api/quic_string_piece.h"
+#include "net/quic/platform/api/quic_test.h"
 #include "net/quic/platform/api/quic_text_utils.h"
 #include "net/quic/test_tools/crypto_test_utils.h"
 #include "net/quic/test_tools/quic_crypto_server_config_peer.h"
@@ -73,7 +74,7 @@ std::vector<TestParams> GetTestParams() {
   return params;
 }
 
-class StatelessRejectorTest : public ::testing::TestWithParam<TestParams> {
+class StatelessRejectorTest : public QuicTestWithParam<TestParams> {
  public:
   StatelessRejectorTest()
       : proof_source_(crypto_test_utils::ProofSourceForTesting()),
@@ -147,8 +148,6 @@ class StatelessRejectorTest : public ::testing::TestWithParam<TestParams> {
     StatelessRejectorTest* test_;
   };
 
-  QuicFlagSaver flags_;  // Save/restore all QUIC flag values.
-
   std::unique_ptr<ProofSource> proof_source_;
   MockClock clock_;
   QuicCryptoServerConfig config_;