Add a utility method to convert SPKI from DER to JWK, so far implemented only for EC P256v1 (which …

net/net.gyp

Index: net/net.gyp
diff --git a/net/net.gyp b/net/net.gyp
index 2a9d78aa6658761766374c08bcbc08b1beb31627..b0c46937f8b9a13013c2acaf6ced1f2c6e57a89e 100644
--- a/net/net.gyp
+++ b/net/net.gyp
@@ -271,6 +271,9 @@
         'cert/crl_set.h',
         'cert/ev_root_ca_metadata.cc',
         'cert/ev_root_ca_metadata.h',
+        'cert/jwk_serializer_nss.cc',
+        'cert/jwk_serializer_openssl.cc',
+        'cert/jwk_serializer.h',
         'cert/multi_threaded_cert_verifier.cc',
         'cert/multi_threaded_cert_verifier.h',
         'cert/nss_cert_database.cc',
@@ -1199,6 +1202,7 @@
               'cert/cert_database_nss.cc',
               'cert/cert_verify_proc_nss.cc',
               'cert/cert_verify_proc_nss.h',
+              'cert/jwk_serializer_nss.cc',
               'cert/nss_cert_database.cc',
               'cert/nss_cert_database.h',
               'cert/test_root_certs_nss.cc',
@@ -1236,6 +1240,7 @@
               'cert/cert_database_openssl.cc',
               'cert/cert_verify_proc_openssl.cc',
               'cert/cert_verify_proc_openssl.h',
+              'cert/jwk_serializer_openssl.cc',
               'cert/test_root_certs_openssl.cc',
               'cert/x509_certificate_openssl.cc',
               'cert/x509_util_openssl.cc',
@@ -1524,6 +1529,8 @@
         'cert/cert_verify_proc_unittest.cc',
         'cert/crl_set_unittest.cc',
         'cert/ev_root_ca_metadata_unittest.cc',
+        'cert/jwk_serializer_nss_unittest.cc',
+        'cert/jwk_serializer_openssl_unittest.cc',
         'cert/multi_threaded_cert_verifier_unittest.cc',
         'cert/nss_cert_database_unittest.cc',
         'cert/pem_tokenizer_unittest.cc',
@@ -1946,6 +1953,7 @@
             # TODO(bulach): Add equivalent tests when the underlying
             #               functionality is ported to OpenSSL.
             'sources!': [
+              'cert/jwk_serializer_nss_unittest.cc',
               'cert/nss_cert_database_unittest.cc',
               'cert/x509_util_nss_unittest.cc',
               'quic/test_tools/crypto_test_utils_nss.cc',
@@ -1953,6 +1961,7 @@
             ],
           }, {  # else !use_openssl: remove the unneeded files
             'sources!': [
+              'cert/jwk_serializer_openssl_unittest.cc',
               'cert/x509_util_openssl_unittest.cc',
               'quic/test_tools/crypto_test_utils_openssl.cc',
               'socket/ssl_client_socket_openssl_unittest.cc',