fix: wrap Object.defineProperties

Closes #24

Author: btford

test/patch/registerElement.spec.js

@@ -130,4 +130,30 @@ describe('document.registerElement', function () {
     });
   });
 
+
+  it('should work with prototypes that have non-writable, non-configurable descriptors', function () {
+    runs(function () {
+      var proto = Object.create(HTMLElement.prototype);
+      Object.defineProperties(proto, {
+        createdCallback: {
+          writeable: false,
+          configurable: false,
+          value: flagAndCheckZone
+        }
+      });
+      document.registerElement('x-props-desc', {
+        prototype: proto
+      });
+      var elt = document.createElement('x-props-desc');
+    });
+
+    waitsFor(function() {
+      return flag;
+    }, 'createdCallback to fire', 100);
+
+    runs(function() {
+      expect(hasParent).toBe(true);
+    });
+  });
+
 });

zone.js

@@ -526,6 +526,13 @@ Zone.patchDefineProperty = function () {
     return rewriteDescriptor(obj, prop, desc);
   };
 
+  Object.defineProperties = function (obj, props) {
+    Object.keys(props).forEach(function (prop) {
+      Object.defineProperty(obj, prop, props[prop]);
+    });
+    return obj;
+  };
+
   Object.getOwnPropertyDescriptor = function (obj, prop) {
     var desc = _getOwnPropertyDescriptor(obj, prop);
     if (isUnconfigurable(obj, prop)) {