Mark the ParseIPLiteralToNumber function as NET_EXPORT because it's used

net/base/net_util.h

Index: net/base/net_util.h
diff --git a/net/base/net_util.h b/net/base/net_util.h
index 4ccca856097a12f9b0f818eea22d6ac745f13cb5..364d41ebd50dccf77a92cb8c1fd908b667c80cc0 100644
--- a/net/base/net_util.h
+++ b/net/base/net_util.h
@@ -374,8 +374,8 @@ NET_EXPORT_PRIVATE int ConvertAddressFamily(AddressFamily address_family);
 
 // Parses an IP address literal (either IPv4 or IPv6) to its numeric value.
 // Returns true on success and fills |ip_number| with the numeric value.
-NET_EXPORT_PRIVATE bool ParseIPLiteralToNumber(const std::string& ip_literal,
-                                               IPAddressNumber* ip_number);
+NET_EXPORT bool ParseIPLiteralToNumber(const std::string& ip_literal,
+                                       IPAddressNumber* ip_number);
 
 // Converts an IPv4 address to an IPv4-mapped IPv6 address.
 // For example 192.168.0.1 would be converted to ::ffff:192.168.0.1.