Add QUIC_EXPORT macros

net/quic/core/congestion_control/cubic.h

Index: net/quic/core/congestion_control/cubic.h
diff --git a/net/quic/core/congestion_control/cubic.h b/net/quic/core/congestion_control/cubic.h
index 78f1830782f5f190a4524fc2f1a85d1e11b43e29..29d42f03e4d8980f3de0313f28e14ffda7ced558 100644
--- a/net/quic/core/congestion_control/cubic.h
+++ b/net/quic/core/congestion_control/cubic.h
@@ -11,15 +11,15 @@
 #include <stdint.h>
 
 #include "base/macros.h"
-#include "net/base/net_export.h"
 #include "net/quic/core/quic_bandwidth.h"
 #include "net/quic/core/quic_connection_stats.h"
 #include "net/quic/core/quic_time.h"
 #include "net/quic/platform/api/quic_clock.h"
+#include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
-class NET_EXPORT_PRIVATE Cubic {
+class QUIC_EXPORT_PRIVATE Cubic {
  public:
   explicit Cubic(const QuicClock* clock);