[d8] Use ValueSerializer for postMessage (instead of ad-hoc serializer)

test/mjsunit/harmony/futex.js

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Flags: --allow-natives-syntax --harmony-sharedarraybuffer
 
 (function TestFailsWithNonSharedArray() {
   var ab = new ArrayBuffer(16);
 
   var i8a = new Int8Array(ab);
@@ skipping 102 matching lines @@
     var i32a = new Int32Array(sab);
 
     var workerScript =
       `onmessage = function(msg) {
          var i32a = new Int32Array(msg.sab, msg.offset);
          var result = Atomics.wait(i32a, 0, 0, ${timeout});
          postMessage(result);
        };`;
 
     var worker = new Worker(workerScript);
-    worker.postMessage({sab: sab, offset: offset}, [sab]);
+    worker.postMessage({sab: sab, offset: offset});
 
     // Spin until the worker is waiting on the futex.
     while (%AtomicsNumWaitersForTesting(i32a, 0) != 1) {}
 
     Atomics.wake(i32a, 0, 1);
     assertEquals("ok", worker.getMessage());
     worker.terminate();
 
     var worker2 = new Worker(workerScript);
     var offset = 8;
     var i32a2 = new Int32Array(sab, offset);
-    worker2.postMessage({sab: sab, offset: offset}, [sab]);
+    worker2.postMessage({sab: sab, offset: offset});
 
     // Spin until the worker is waiting on the futex.
     while (%AtomicsNumWaitersForTesting(i32a2, 0) != 1) {}
     Atomics.wake(i32a2, 0, 1);
     assertEquals("ok", worker2.getMessage());
     worker2.terminate();
 
     // Futex should work when index and buffer views are different, but
     // the real address is the same.
     var worker3 = new Worker(workerScript);
     i32a2 = new Int32Array(sab, 4);
-    worker3.postMessage({sab: sab, offset: 8}, [sab]);
+    worker3.postMessage({sab: sab, offset: 8});
 
     // Spin until the worker is waiting on the futex.
     while (%AtomicsNumWaitersForTesting(i32a2, 1) != 1) {}
     Atomics.wake(i32a2, 1, 1);
     assertEquals("ok", worker3.getMessage());
     worker3.terminate();
   };
 
   // Test various infinite timeouts
   TestWaitWithTimeout(undefined);
@@ skipping 25 matching lines @@
          // Set i32a[id] to 1 to notify the main thread which workers were
          // woken up.
          Atomics.store(i32a, id, 1);
          postMessage(result);
        };`;
 
     var id;
     var workers = [];
     for (id = 0; id < 4; id++) {
       workers[id] = new Worker(workerScript);
-      workers[id].postMessage({sab: sab, id: id}, [sab]);
+      workers[id].postMessage({sab: sab, id: id});
     }
 
     // Spin until all workers are waiting on the futex.
     while (%AtomicsNumWaitersForTesting(i32a, 4) != 4) {}
 
     // Wake up three waiters.
     assertEquals(3, Atomics.wake(i32a, 4, 3));
 
     var wokenCount = 0;
     var waitingId = 0 + 1 + 2 + 3;
@@ skipping 17 matching lines @@
     // Finally wake the last waiter.
     assertEquals(1, Atomics.wake(i32a, 4, 1));
     assertEquals("ok", workers[waitingId].getMessage());
     workers[waitingId].terminate();
 
     assertEquals(0, %AtomicsNumWaitersForTesting(i32a, 4));
 
   })();
 
 }