Bug 1496297 - Use |jit-test| skip-if as appropriate in jit-test/tests/xdr/ (r=jorendorff)

--HG--
extra : rebase_source : cb56a482a9d9bd2378deeac7285c8fc622d0a35b

js/src/jit-test/tests/xdr/bug1390856.js

@@ -1,9 +1,4 @@
-if (!('oomTest' in this))
-    quit();
-
-if (helperThreadCount() == 0)
-    quit();
-
+// |jit-test| skip-if: !('oomTest' in this) || helperThreadCount() === 0
 
 let THREAD_TYPE_PARSE = 4;
 

js/src/jit-test/tests/xdr/decode-off-thread.js

@@ -1,5 +1,4 @@
-if (helperThreadCount() == 0)
-  quit();
+// |jit-test| skip-if: helperThreadCount() === 0
 
 function evalWithCacheLoadOffThread(code, ctx) {
   ctx = ctx || {};