Add QUIC_EXPORT macros

net/quic/platform/impl/quic_chromium_clock.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_QUIC_PLATFORM_IMPL_QUIC_CHROMIUM_CLOCK_H_
 #define NET_QUIC_PLATFORM_IMPL_QUIC_CHROMIUM_CLOCK_H_
 
 #include "base/time/time.h"
 #include "net/quic/platform/api/quic_clock.h"
+#include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
 // Clock to efficiently retrieve an approximately accurate time from an
 // EpollServer.
-class NET_EXPORT_PRIVATE QuicChromiumClock : public QuicClock {
+class QUIC_EXPORT_PRIVATE QuicChromiumClock : public QuicClock {
  public:
   QuicChromiumClock();
   ~QuicChromiumClock() override;
 
   // QuicClock implementation:
   QuicTime ApproximateNow() const override;
   QuicTime Now() const override;
   QuicWallTime WallNow() const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(QuicChromiumClock);
 };
 
 }  // namespace net
 
 #endif  // NET_QUIC_PLATFORM_IMPL_QUIC_CHROMIUM_CLOCK_H_