Fix include guards for QUIC files.

net/tools/quic/quic_epoll_alarm_factory.h

 // Copyright (c) 2015 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_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_
-#define NET_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_
+#ifndef NET_TOOLS_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_
+#define NET_TOOLS_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_
 
 #include "net/quic/core/quic_alarm.h"
 #include "net/quic/core/quic_alarm_factory.h"
 
 namespace net {
 
 class EpollServer;
 
 // Creates alarms that use the supplied EpollServer for timing and firing.
 class QuicEpollAlarmFactory : public QuicAlarmFactory {
  public:
   explicit QuicEpollAlarmFactory(EpollServer* epoll_server);
   ~QuicEpollAlarmFactory() override;
 
   // QuicAlarmFactory interface.
   QuicAlarm* CreateAlarm(QuicAlarm::Delegate* delegate) override;
   QuicArenaScopedPtr<QuicAlarm> CreateAlarm(
       QuicArenaScopedPtr<QuicAlarm::Delegate> delegate,
       QuicConnectionArena* arena) override;
 
  private:
   EpollServer* epoll_server_;  // Not owned.
 
   DISALLOW_COPY_AND_ASSIGN(QuicEpollAlarmFactory);
 };
 
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_
+#endif  // NET_TOOLS_QUIC_QUIC_EPOLL_ALARM_FACTORY_H_