[webcrypto] Order jwk_ops the same way as Key.usages.

content/child/webcrypto/webcrypto_util.cc

Index: content/child/webcrypto/webcrypto_util.cc
diff --git a/content/child/webcrypto/webcrypto_util.cc b/content/child/webcrypto/webcrypto_util.cc
index e3433fdfc1da0cc95dcad94d365e904ea3f2194a..a46961c4e9699ebe6618f5c3ba7413d482f7253f 100644
--- a/content/child/webcrypto/webcrypto_util.cc
+++ b/content/child/webcrypto/webcrypto_util.cc
@@ -63,15 +63,22 @@ struct JwkToWebCryptoUsage {
   const blink::WebCryptoKeyUsage webcrypto_usage;
 };
 
+// Keep this ordered according to the definition
+// order of WebCrypto's "recognized key usage
+// values".
+//
+// This is not required for spec compliance,
+// however it makes the ordering of key_ops match
+// that of WebCrypto's Key.usages.
 const JwkToWebCryptoUsage kJwkWebCryptoUsageMap[] = {
     {"encrypt", blink::WebCryptoKeyUsageEncrypt},
     {"decrypt", blink::WebCryptoKeyUsageDecrypt},
-    {"deriveKey", blink::WebCryptoKeyUsageDeriveKey},
-    {"deriveBits", blink::WebCryptoKeyUsageDeriveBits},
     {"sign", blink::WebCryptoKeyUsageSign},
-    {"unwrapKey", blink::WebCryptoKeyUsageUnwrapKey},
     {"verify", blink::WebCryptoKeyUsageVerify},
-    {"wrapKey", blink::WebCryptoKeyUsageWrapKey}};
+    {"deriveKey", blink::WebCryptoKeyUsageDeriveKey},
+    {"deriveBits", blink::WebCryptoKeyUsageDeriveBits},
+    {"wrapKey", blink::WebCryptoKeyUsageWrapKey},
+    {"unwrapKey", blink::WebCryptoKeyUsageUnwrapKey}};
 
 // Modifies the input usage_mask by according to the key_op value.
 bool JwkKeyOpToWebCryptoUsage(const std::string& key_op,