Add a platform implementation of QuicTest and QuicTestWithParam

net/quic/core/congestion_control/hybrid_slow_start_test.cc

Index: net/quic/core/congestion_control/hybrid_slow_start_test.cc
diff --git a/net/quic/core/congestion_control/hybrid_slow_start_test.cc b/net/quic/core/congestion_control/hybrid_slow_start_test.cc
index 243105698490fbf8be5415b0ec681c72735da201..3ed84958a83e7f9dda13a020534275adb58be757 100644
--- a/net/quic/core/congestion_control/hybrid_slow_start_test.cc
+++ b/net/quic/core/congestion_control/hybrid_slow_start_test.cc
@@ -6,12 +6,12 @@
 
 #include <memory>
 
-#include "testing/gtest/include/gtest/gtest.h"
+#include "net/quic/platform/api/quic_test.h"
 
 namespace net {
 namespace test {
 
-class HybridSlowStartTest : public ::testing::Test {
+class HybridSlowStartTest : public QuicTest {
  protected:
   HybridSlowStartTest()
       : one_ms_(QuicTime::Delta::FromMilliseconds(1)),