[webcrypto] Remove a lingering usage of RSA-ES.

LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js

Index: LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js
diff --git a/LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js b/LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js
index 6d07d2adb18cf60e0f965f485abd9254902a5956..971e19213efefa998907d4a91c736e484f381f47 100644
--- a/LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js
+++ b/LayoutTests/crypto/resources/worker-infinite-loop-generateKey.js
@@ -3,9 +3,9 @@ importScripts('common.js');
 function continuouslyGenerateRsaKey()
 {
     var extractable = false;
-    var usages = ['encrypt', 'decrypt'];
+    var usages = ['sign', 'verify'];
     // Note that the modulus length is small.
-    var algorithm = {name: "RSAES-PKCS1-v1_5", modulusLength: 512, publicExponent: hexStringToUint8Array("010001")};
+    var algorithm = {name: "RSASSA-PKCS1-v1_5", modulusLength: 512, publicExponent: hexStringToUint8Array("010001"), hash: {name: 'sha-1'}};
 
     return crypto.subtle.generateKey(algorithm, extractable, usages).then(function(result) {
         // Infinite recursion intentional!