[WebCrypto] Throw syntaxError if keyUsage is empty in ImportKey

content/child/webcrypto/nss/aes_key_nss.cc

Index: content/child/webcrypto/nss/aes_key_nss.cc
diff --git a/content/child/webcrypto/nss/aes_key_nss.cc b/content/child/webcrypto/nss/aes_key_nss.cc
index 283ae37ba2890f7d968fb40bb768b106db667f78..242ee4c14f0af5918c144d7c9e194d4983910385 100644
--- a/content/child/webcrypto/nss/aes_key_nss.cc
+++ b/content/child/webcrypto/nss/aes_key_nss.cc
@@ -39,7 +39,7 @@ Status AesAlgorithm::GenerateKey(const blink::WebCryptoAlgorithm& algorithm,
                                  bool extractable,
                                  blink::WebCryptoKeyUsageMask usages,
                                  GenerateKeyResult* result) const {
-  Status status = CheckKeyCreationUsages(all_key_usages_, usages);
+  Status status = CheckKeyCreationUsages(all_key_usages_, usages, false);
   if (status.IsError())
     return status;
 
@@ -59,7 +59,7 @@ Status AesAlgorithm::VerifyKeyUsagesBeforeImportKey(
   switch (format) {
     case blink::WebCryptoKeyFormatRaw:
     case blink::WebCryptoKeyFormatJwk:
-      return CheckKeyCreationUsages(all_key_usages_, usages);
+      return CheckKeyCreationUsages(all_key_usages_, usages, false);
     default:
       return Status::ErrorUnsupportedImportKeyFormat();
   }