Remove serialization version tags from crypto LayoutTests.

LayoutTests/crypto/resources/common.js

 function shouldBeTypeError(toEval)
 {
     var value = eval(toEval);
     if (value instanceof TypeError) {
         testPassed(toEval + " is: " + value.toString());
     } else {
         testFailed(toEval + " is not a TypeError: " + value);
     }
 }
 
@@ skipping 81 matching lines @@
 
     return new Promise(function(resolve, reject) {
         self.callbacks.push(resolve);
         self.channel.port2.postMessage(key);
     });
 }
 
 // Logging the serialized format ensures that if it changes it will break tests.
 function logSerializedKey(o)
 {
-    if (internals)
-        debug("Serialized key bytes: " + bytesToHexString(internals.serializeObject(o)));
+    if (internals) {
+        // Removing the version tag from the output so serialization format changes don't need to update all the crypto tests.
+        var serialized = internals.serializeObject(o);
+        var serializedWithoutVersion = new Uint8Array(serialized, 2);
+        debug("Serialized key bytes: " + bytesToHexString(serializedWithoutVersion));
+    }
 }
 
 function shouldEvaluateAs(actual, expectedValue)
 {
     if (typeof expectedValue == "string")
         return shouldBeEqualToString(actual, expectedValue);
     return shouldEvaluateTo(actual, expectedValue);
 }