Hello,

After updating to React 15.0.1, we are getting the following error:

```
Uncaught TypeError: Cannot read property 'addEventListener' of null
```

![image](https://cloud.githubusercontent.com/assets/4996164/14602577/5bb4e9f2-0571-11e6-9aa1-98de49f50d76.png)

component._renderedComponent._currentElement
      ) {
        namedComponent = component._renderedComponent;
      }
      markerName = 'React update: ' + namedComponent.getName();
      console.time(markerName);
    }
    ReactReconciler.performUpdateIfNecessary(
      component,
      transaction.reconcileTransaction
    );
    if (markerName) {
      console.timeEnd(markerName);
    }
    if (callbacks) {
      for (var j = 0; j < callbacks.length; j++) {
        transaction.callbackQueue.enqueue(
          callbacks[j],
          component.getPublicInstance()
        );
      }
    }
  }
}
var flushBatchedUpdates = function() {
  if (__DEV__) {
    ReactInstrumentation.debugTool.onBeginFlush();
  }