Update from chromium https://crrev.com/301725/

net/tools/quic/quic_time_wait_list_manager.h

Index: net/tools/quic/quic_time_wait_list_manager.h
diff --git a/net/tools/quic/quic_time_wait_list_manager.h b/net/tools/quic/quic_time_wait_list_manager.h
index d9a5f92496033cd0b6deaa8261c0d7025c83300c..cf049ed1217d24e728aefc08735d8caa8495fb2b 100644
--- a/net/tools/quic/quic_time_wait_list_manager.h
+++ b/net/tools/quic/quic_time_wait_list_manager.h
@@ -52,7 +52,7 @@ class QuicTimeWaitListManager : public QuicBlockedWriterInterface {
                           QuicServerSessionVisitor* visitor,
                           EpollServer* epoll_server,
                           const QuicVersionVector& supported_versions);
-  virtual ~QuicTimeWaitListManager();
+  ~QuicTimeWaitListManager() override;
 
   // Adds the given connection_id to time wait state for kTimeWaitPeriod.
   // Henceforth, any packet bearing this connection_id should not be processed
@@ -83,7 +83,7 @@ class QuicTimeWaitListManager : public QuicBlockedWriterInterface {
   // Called by the dispatcher when the underlying socket becomes writable again,
   // since we might need to send pending public reset packets which we didn't
   // send because the underlying socket was write blocked.
-  virtual void OnCanWrite() override;
+  void OnCanWrite() override;
 
   // Used to delete connection_id entries that have outlived their time wait
   // period.