[WebCrypto] Throw syntaxError if keyUsage is empty in ImportKey

content/child/webcrypto/openssl/rsa_key_openssl.cc

Index: content/child/webcrypto/openssl/rsa_key_openssl.cc
diff --git a/content/child/webcrypto/openssl/rsa_key_openssl.cc b/content/child/webcrypto/openssl/rsa_key_openssl.cc
index 09e277f261f71d910379228d3f4921c0faa2160f..292d18c970022f5a8695a3649e54462c8cce96fa 100644
--- a/content/child/webcrypto/openssl/rsa_key_openssl.cc
+++ b/content/child/webcrypto/openssl/rsa_key_openssl.cc
@@ -158,7 +158,7 @@ Status RsaHashedAlgorithm::GenerateKey(
     blink::WebCryptoKeyUsageMask combined_usages,
     GenerateKeyResult* result) const {
   Status status = CheckKeyCreationUsages(
-      all_public_key_usages_ | all_private_key_usages_, combined_usages);
+      all_public_key_usages_ | all_private_key_usages_, combined_usages, false);
   if (status.IsError())
     return status;
 
@@ -236,15 +236,17 @@ Status RsaHashedAlgorithm::VerifyKeyUsagesBeforeImportKey(
     blink::WebCryptoKeyUsageMask usages) const {
   switch (format) {
     case blink::WebCryptoKeyFormatSpki:
-      return CheckKeyCreationUsages(all_public_key_usages_, usages);
+      return CheckKeyCreationUsages(all_public_key_usages_, usages, false);
     case blink::WebCryptoKeyFormatPkcs8:
-      return CheckKeyCreationUsages(all_private_key_usages_, usages);
+      return CheckKeyCreationUsages(all_private_key_usages_, usages, true);
     case blink::WebCryptoKeyFormatJwk:
       // The JWK could represent either a public key or private key. The usages
       // must make sense for one of the two. The usages will be checked again by
       // ImportKeyJwk() once the key type has been determined.
-      if (CheckKeyCreationUsages(all_private_key_usages_, usages).IsSuccess() ||
-          CheckKeyCreationUsages(all_public_key_usages_, usages).IsSuccess()) {
+      if (CheckKeyCreationUsages(
+              all_private_key_usages_, usages, true).IsSuccess() ||
+          CheckKeyCreationUsages(
+              all_public_key_usages_, usages, false).IsSuccess()) {
         return Status::Success();
       }
       return Status::ErrorCreateKeyBadUsages();