Remove support for Object.observe

test/mjsunit/es6/microtask-delivery.js

 // Copyright 2012 the V8 project authors. All rights reserved.
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 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
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 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-// Flags: --harmony-object-observe
 // Flags: --allow-natives-syntax
 
 var ordering = [];
 function reset() {
   ordering = [];
 }
 
 function assertArrayValues(expected, actual) {
   assertEquals(expected.length, actual.length);
   for (var i = 0; i < expected.length; i++) {
@@ skipping 25 matching lines @@
       next = next.then(function(value) {
         ordering.push('p' + id + ':' + t++);
         return fn ? fn(value) : value;
       });
 
       return this;
     }
   };
 }
 
-function newObserver(id, fn, obj) {
-  var observer = {
-    value: 1,
-    recordCounts: []
-  };
-
-  Object.observe(observer, function(records) {
-    ordering.push('o' + id);
-    observer.recordCounts.push(records.length);
-    if (fn) fn();
-  });
-
-  return observer;
-}
-
-
 (function PromiseThens() {
   reset();
 
   var p1 = newPromise(1).then();
   var p2 = newPromise(2).then();
 
   p1.resolve();
   p2.resolve();
 
   assertOrdering(['p1', 'p2', 'p1:1', 'p2:1']);
 })();
-
-
-(function ObserversBatch() {
-  reset();
-
-  var p1 = newPromise(1);
-  var p2 = newPromise(2);
-  var p3 = newPromise(3);
-
-  var ob1 = newObserver(1);
-  var ob2 = newObserver(2, function() {
-    ob3.value++;
-    p3.resolve();
-    ob1.value++;
-  });
-  var ob3 = newObserver(3);
-
-  p1.resolve();
-  ob1.value++;
-  p2.resolve();
-  ob2.value++;
-
-  assertOrdering(['p1', 'o1', 'o2', 'p2', 'o1', 'o3', 'p3']);
-  assertArrayValues([1, 1], ob1.recordCounts);
-  assertArrayValues([1], ob2.recordCounts);
-  assertArrayValues([1], ob3.recordCounts);
-})();
-
-
-(function ObserversGetAllRecords() {
-  reset();
-
-  var p1 = newPromise(1);
-  var p2 = newPromise(2);
-  var ob1 = newObserver(1, function() {
-    ob2.value++;
-  });
-  var ob2 = newObserver(2);
-
-  p1.resolve();
-  ob1.value++;
-  p2.resolve();
-  ob2.value++;
-
-  assertOrdering(['p1', 'o1', 'o2', 'p2']);
-  assertArrayValues([1], ob1.recordCounts);
-  assertArrayValues([2], ob2.recordCounts);
-})();
-
-
-(function NewObserverDeliveryGetsNewMicrotask() {
-  reset();
-
-  var p1 = newPromise(1);
-  var p2 = newPromise(2);
-  var ob1 = newObserver(1);
-  var ob2 = newObserver(2, function() {
-    ob1.value++;
-  });
-
-  p1.resolve();
-  ob1.value++;
-  p2.resolve();
-  ob2.value++;
-
-  assertOrdering(['p1', 'o1', 'o2', 'p2', 'o1']);
-  assertArrayValues([1, 1], ob1.recordCounts);
-  assertArrayValues([1], ob2.recordCounts);
-})();