Improve QUIC tests. Correct things clang_tidy complains about.

net/tools/quic/quic_time_wait_list_manager.cc

Index: net/tools/quic/quic_time_wait_list_manager.cc
diff --git a/net/tools/quic/quic_time_wait_list_manager.cc b/net/tools/quic/quic_time_wait_list_manager.cc
index 98f96ece34c455b36aa67f7bd514f15070184246..ed36ea22ac4c7de3d11f371a6fa039dd22f7ad20 100644
--- a/net/tools/quic/quic_time_wait_list_manager.cc
+++ b/net/tools/quic/quic_time_wait_list_manager.cc
@@ -86,7 +86,7 @@ QuicTimeWaitListManager::QuicTimeWaitListManager(
     EpollServer* epoll_server,
     const QuicVersionVector& supported_versions)
     : epoll_server_(epoll_server),
-      kTimeWaitPeriod_(
+      time_wait_period_(
           QuicTime::Delta::FromSeconds(FLAGS_quic_time_wait_list_seconds)),
       connection_id_clean_up_alarm_(new ConnectionIdCleanUpAlarm(this)),
       clock_(epoll_server_),
@@ -259,17 +259,17 @@ void QuicTimeWaitListManager::SetConnectionIdCleanUpAlarm() {
     QuicTime oldest_connection_id =
         connection_id_map_.begin()->second.time_added;
     QuicTime now = clock_.ApproximateNow();
-    if (now.Subtract(oldest_connection_id) < kTimeWaitPeriod_) {
-      next_alarm_interval = oldest_connection_id.Add(kTimeWaitPeriod_)
+    if (now.Subtract(oldest_connection_id) < time_wait_period_) {
+      next_alarm_interval = oldest_connection_id.Add(time_wait_period_)
                                                 .Subtract(now)
                                                 .ToMicroseconds();
     } else {
-      LOG(ERROR) << "ConnectionId lingered for longer than kTimeWaitPeriod";
+      LOG(ERROR) << "ConnectionId lingered for longer than time_wait_period_";
       next_alarm_interval = 0;
     }
   } else {
-    // No connection_ids added so none will expire before kTimeWaitPeriod_.
-    next_alarm_interval = kTimeWaitPeriod_.ToMicroseconds();
+    // No connection_ids added so none will expire before time_wait_period_.
+    next_alarm_interval = time_wait_period_.ToMicroseconds();
   }
 
   epoll_server_->RegisterAlarmApproximateDelta(
@@ -297,7 +297,7 @@ bool QuicTimeWaitListManager::MaybeExpireOldestConnection(
 
 void QuicTimeWaitListManager::CleanUpOldConnectionIds() {
   QuicTime now = clock_.ApproximateNow();
-  QuicTime expiration = now.Subtract(kTimeWaitPeriod_);
+  QuicTime expiration = now.Subtract(time_wait_period_);
 
   while (MaybeExpireOldestConnection(expiration)) {
   }