Add QUIC_EXPORT macros

net/quic/core/quic_version_manager.h

Index: net/quic/core/quic_version_manager.h
diff --git a/net/quic/core/quic_version_manager.h b/net/quic/core/quic_version_manager.h
index cd8e9f95373f05ccfc27f3ec0b78a6c1793ed875..83deef408ea35b43dfe1c5b5bdb162df04a95ec6 100644
--- a/net/quic/core/quic_version_manager.h
+++ b/net/quic/core/quic_version_manager.h
@@ -6,11 +6,12 @@
 #define NET_QUIC_CORE_QUIC_VERSION_MANAGER_H_
 
 #include "net/quic/core/quic_versions.h"
+#include "net/quic/platform/api/quic_export.h"
 
 namespace net {
 
 // Used to generate filtered supported versions based on flags.
-class NET_EXPORT_PRIVATE QuicVersionManager {
+class QUIC_EXPORT_PRIVATE QuicVersionManager {
  public:
   explicit QuicVersionManager(QuicVersionVector supported_versions);
   virtual ~QuicVersionManager();