Improve tests. Correct things clang_tidy complains about. Make

net/tools/quic/quic_time_wait_list_manager_test.cc

Index: net/tools/quic/quic_time_wait_list_manager_test.cc
diff --git a/net/tools/quic/quic_time_wait_list_manager_test.cc b/net/tools/quic/quic_time_wait_list_manager_test.cc
index 724f60170872a21eb46bc0c276a6a9e2f25eac3f..7eb072aa9f0b1bd1786cd424d5ef413ae3b97c9f 100644
--- a/net/tools/quic/quic_time_wait_list_manager_test.cc
+++ b/net/tools/quic/quic_time_wait_list_manager_test.cc
@@ -69,7 +69,7 @@ class QuicTimeWaitListManagerPeer {
   }
 
   static QuicTime::Delta time_wait_period(QuicTimeWaitListManager* manager) {
-    return manager->kTimeWaitPeriod_;
+    return manager->time_wait_period_;
   }
 
   static QuicVersion GetQuicVersionFromConnectionId(
@@ -228,7 +228,7 @@ TEST_F(QuicTimeWaitListManagerTest, CheckConnectionIdInTimeWait) {
 }
 
 TEST_F(QuicTimeWaitListManagerTest, SendConnectionClose) {
-  size_t kConnectionCloseLength = 100;
+  const size_t kConnectionCloseLength = 100;
   EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_));
   AddConnectionId(
       connection_id_,
@@ -283,7 +283,7 @@ TEST_F(QuicTimeWaitListManagerTest, CleanUpOldConnectionIds) {
   const size_t kConnectionIdCount = 100;
   const size_t kOldConnectionIdCount = 31;
 
-  // Add connection_ids such that their expiry time is kTimeWaitPeriod_.
+  // Add connection_ids such that their expiry time is time_wait_period_.
   epoll_server_.set_now_in_usec(0);
   for (size_t connection_id = 1; connection_id <= kOldConnectionIdCount;
        ++connection_id) {
@@ -293,7 +293,7 @@ TEST_F(QuicTimeWaitListManagerTest, CleanUpOldConnectionIds) {
   EXPECT_EQ(kOldConnectionIdCount, time_wait_list_manager_.num_connections());
 
   // Add remaining connection_ids such that their add time is
-  // 2 * kTimeWaitPeriod.
+  // 2 * time_wait_period_.
   const QuicTime::Delta time_wait_period =
       QuicTimeWaitListManagerPeer::time_wait_period(&time_wait_list_manager_);
   epoll_server_.set_now_in_usec(time_wait_period.ToMicroseconds());
@@ -418,12 +418,12 @@ TEST_F(QuicTimeWaitListManagerTest, GetQuicVersionFromMap) {
 }
 
 TEST_F(QuicTimeWaitListManagerTest, AddConnectionIdTwice) {
-  // Add connection_ids such that their expiry time is kTimeWaitPeriod_.
+  // Add connection_ids such that their expiry time is time_wait_period_.
   epoll_server_.set_now_in_usec(0);
   EXPECT_CALL(visitor_, OnConnectionAddedToTimeWaitList(connection_id_));
   AddConnectionId(connection_id_);
   EXPECT_TRUE(IsConnectionIdInTimeWait(connection_id_));
-  size_t kConnectionCloseLength = 100;
+  const size_t kConnectionCloseLength = 100;
   AddConnectionId(
       connection_id_,
       QuicVersionMax(),