[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..ab63f506feb5bf5c5e12ff397b213d5d8a913325 100644
--- a/content/child/webcrypto/openssl/rsa_key_openssl.cc
+++ b/content/child/webcrypto/openssl/rsa_key_openssl.cc
@@ -234,17 +234,22 @@ Status RsaHashedAlgorithm::GenerateKey(
 Status RsaHashedAlgorithm::VerifyKeyUsagesBeforeImportKey(
     blink::WebCryptoKeyFormat format,
     blink::WebCryptoKeyUsageMask usages) const {
+  bool checkEmptyUsage = true;
   switch (format) {
     case blink::WebCryptoKeyFormatSpki:
-      return CheckKeyCreationUsages(all_public_key_usages_, usages);
+      return CheckKeyCreationUsages(all_public_key_usages_, usages,
+                 checkEmptyUsage);
     case blink::WebCryptoKeyFormatPkcs8:
-      return CheckKeyCreationUsages(all_private_key_usages_, usages);
+      return CheckKeyCreationUsages(all_private_key_usages_, usages,
+                 checkEmptyUsage);
     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,
+              checkEmptyUsage).IsSuccess() ||
+          CheckKeyCreationUsages(all_public_key_usages_, usages,
+              checkEmptyUsage).IsSuccess()) {
         return Status::Success();
       }
       return Status::ErrorCreateKeyBadUsages();