[WebCrypto] Throw syntaxError if keyUsage is empty in ImportKey

content/child/webcrypto/openssl/aes_key_openssl.cc

Index: content/child/webcrypto/openssl/aes_key_openssl.cc
diff --git a/content/child/webcrypto/openssl/aes_key_openssl.cc b/content/child/webcrypto/openssl/aes_key_openssl.cc
index 1f853b557a92df1ad300109a284363f490b63d7d..17f1470d2210723dd50262d976e989a517f27810 100644
--- a/content/child/webcrypto/openssl/aes_key_openssl.cc
+++ b/content/child/webcrypto/openssl/aes_key_openssl.cc
@@ -65,6 +65,9 @@ Status AesAlgorithm::ImportKeyRaw(const CryptoData& key_data,
                                   bool extractable,
                                   blink::WebCryptoKeyUsageMask usages,
                                   blink::WebCryptoKey* key) const {
+  if (usages == 0)
+    return Status::ErrorImportKeyEmptyUsages();
+
   const unsigned int keylen_bytes = key_data.byte_length();
   Status status = VerifyAesKeyLengthForImport(keylen_bytes);
   if (status.IsError())
@@ -83,6 +86,9 @@ Status AesAlgorithm::ImportKeyJwk(const CryptoData& key_data,
                                   bool extractable,
                                   blink::WebCryptoKeyUsageMask usages,
                                   blink::WebCryptoKey* key) const {
+  if (usages == 0)
+    return Status::ErrorImportKeyEmptyUsages();
+
   std::vector<uint8_t> raw_data;
   Status status = ReadAesSecretKeyJwk(key_data, jwk_suffix_, extractable,
                                       usages, &raw_data);