Add a platform implementation of QuicTest and QuicTestWithParam

net/quic/core/quic_version_manager_test.cc

Index: net/quic/core/quic_version_manager_test.cc
diff --git a/net/quic/core/quic_version_manager_test.cc b/net/quic/core/quic_version_manager_test.cc
index 0ba1f24aa6e984b2e8a578bde00f502ce8eb81dc..89f7222e7aaf826eaaffae509ea6b4ba94bcc13e 100644
--- a/net/quic/core/quic_version_manager_test.cc
+++ b/net/quic/core/quic_version_manager_test.cc
@@ -6,16 +6,16 @@
 
 #include "net/quic/core/quic_versions.h"
 #include "net/quic/platform/api/quic_flags.h"
+#include "net/quic/platform/api/quic_test.h"
 #include "net/quic/test_tools/quic_test_utils.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
 namespace {
 
-TEST(QuicVersionManagerTest, QuicVersionManager) {
-  QuicFlagSaver flags;
+class QuicVersionManagerTest : public QuicTest {};
+
+TEST_F(QuicVersionManagerTest, QuicVersionManager) {
   FLAGS_quic_reloadable_flag_quic_enable_version_39 = false;
   FLAGS_quic_reloadable_flag_quic_enable_version_38 = false;
   QuicVersionManager manager(AllSupportedVersions());