Add QUIC_EXPORT macros

net/quic/core/quic_multipath_transmissions_map.h

Index: net/quic/core/quic_multipath_transmissions_map.h
diff --git a/net/quic/core/quic_multipath_transmissions_map.h b/net/quic/core/quic_multipath_transmissions_map.h
index 1746d6336cabfe8a6f9a317ec895f662a7a4ea2c..6b40076ce63a74cbcbaa7b7f6a2d79f1d6e4489c 100644
--- a/net/quic/core/quic_multipath_transmissions_map.h
+++ b/net/quic/core/quic_multipath_transmissions_map.h
@@ -16,15 +16,15 @@
 #include <unordered_map>
 
 #include "base/macros.h"
-#include "net/base/net_export.h"
 #include "net/quic/core/quic_packets.h"
 #include "net/quic/core/quic_utils.h"
+#include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
 typedef std::pair<QuicPathId, QuicPacketNumber> QuicPathIdPacketNumber;
 
-class NET_EXPORT_PRIVATE QuicMultipathTransmissionsMap {
+class QUIC_EXPORT_PRIVATE QuicMultipathTransmissionsMap {
  public:
   struct QuicPathIdPacketNumberHash {
     size_t operator()(std::pair<QuicPathId, QuicPacketNumber> value) const {