Update from chromium https://crrev.com/302282

net/socket/ssl_client_socket_nss.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_
 #define NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_
 
 #include <certt.h>
 #include <keyt.h>
 #include <nspr.h>
 #include <nss.h>
 
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
-#include "base/timer/timer.h"
 #include "net/base/completion_callback.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_export.h"
 #include "net/base/net_log.h"
 #include "net/base/nss_memio.h"
 #include "net/cert/cert_verify_result.h"
 #include "net/cert/ct_verify_result.h"
 #include "net/cert/x509_certificate.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/ssl/channel_id_service.h"
@@ skipping 181 matching lines @@
   // Added the following code Debugging in release mode.
   mutable base::Lock lock_;
   // This is mutable so that CalledOnValidThread can set it.
   // It's guarded by |lock_|.
   mutable base::PlatformThreadId valid_thread_id_;
 };
 
 }  // namespace net
 
 #endif  // NET_SOCKET_SSL_CLIENT_SOCKET_NSS_H_