Add a platform implementation of QuicTest and QuicTestWithParam

net/quic/core/quic_unacked_packet_map_test.cc

Index: net/quic/core/quic_unacked_packet_map_test.cc
diff --git a/net/quic/core/quic_unacked_packet_map_test.cc b/net/quic/core/quic_unacked_packet_map_test.cc
index 29c75bb6e4fc04ee446b73ef6ec56916b019a6ca..7fc9fc8f54bfb7c53288e39e1d58f0c3aab6a965 100644
--- a/net/quic/core/quic_unacked_packet_map_test.cc
+++ b/net/quic/core/quic_unacked_packet_map_test.cc
@@ -4,8 +4,8 @@
 
 #include "net/quic/core/quic_unacked_packet_map.h"
 
+#include "net/quic/platform/api/quic_test.h"
 #include "net/quic/test_tools/quic_test_utils.h"
-#include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 namespace test {
@@ -14,7 +14,7 @@ namespace {
 // Default packet length.
 const uint32_t kDefaultLength = 1000;
 
-class QuicUnackedPacketMapTest : public ::testing::Test {
+class QuicUnackedPacketMapTest : public QuicTest {
  protected:
   QuicUnackedPacketMapTest()
       : unacked_packets_(),