Move NextProto enum to a new file net/socket/next_proto.h

net/socket/ssl_client_socket_openssl.h

Index: net/socket/ssl_client_socket_openssl.h
diff --git a/net/socket/ssl_client_socket_openssl.h b/net/socket/ssl_client_socket_openssl.h
index f2739d4a21e37b60d5d456988b7e71ecad303c87..5c0f6b49f1a6155e9a85b8507e81cf6d6a464add 100644
--- a/net/socket/ssl_client_socket_openssl.h
+++ b/net/socket/ssl_client_socket_openssl.h
@@ -63,7 +63,7 @@ class SSLClientSocketOpenSSL : public SSLClientSocket {
                                    const base::StringPiece& context,
                                    unsigned char* out,
                                    unsigned int outlen);
-  virtual NextProtoStatus GetNextProto(std::string* proto,
+  virtual SSLClientSocket::NextProtoStatus GetNextProto(std::string* proto,
                                        std::string* server_protos);
   virtual ServerBoundCertService* GetServerBoundCertService() const;
 
@@ -171,7 +171,7 @@ class SSLClientSocketOpenSSL : public SSLClientSocket {
     STATE_VERIFY_CERT_COMPLETE,
   };
   State next_handshake_state_;
-  NextProtoStatus npn_status_;
+  SSLClientSocket::NextProtoStatus npn_status_;
   std::string npn_proto_;
   std::string server_protos_;
   BoundNetLog net_log_;