[webcrypto] Add JWK import/export of RSA private keys (NSS).

content/child/webcrypto/status.cc

Index: content/child/webcrypto/status.cc
diff --git a/content/child/webcrypto/status.cc b/content/child/webcrypto/status.cc
index 4fbfd709874742f69c7b412c2de030c311bee196..6d664df35056b4bd9c7697fe4feae49b9b08ff49 100644
--- a/content/child/webcrypto/status.cc
+++ b/content/child/webcrypto/status.cc
@@ -99,12 +99,6 @@ Status Status::ErrorJwkUseAndKeyopsInconsistent() {
                 "but are inconsistent with each other.");
 }
 
-Status Status::ErrorJwkRsaPrivateKeyUnsupported() {
-  return Status(blink::WebCryptoErrorTypeNotSupported,
-                "JWK RSA key contained \"d\" property: Private key import is "
-                "not yet supported");
-}
-
 Status Status::ErrorJwkUnrecognizedKty() {
   return Status(blink::WebCryptoErrorTypeData,
                 "The JWK \"kty\" property was unrecognized");
@@ -116,6 +110,12 @@ Status Status::ErrorJwkIncorrectKeyLength() {
                 "of key data for the given algorithm.");
 }
 
+Status Status::ErrorJwkIncompleteOptionalRsaPrivateKey() {
+  return Status(blink::WebCryptoErrorTypeData,
+                "The optional JWK properties p, q, dp, dq, qi must either all "
+                "be provided, or none provided");
+}
+
 Status Status::ErrorImportEmptyKeyData() {
   return Status(blink::WebCryptoErrorTypeData, "No key data was provided");
 }