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)

if (this._debugID !== 0) {
          ReactInstrumentation.debugTool.onBeginLifeCycleTimer(
            this._debugID,
            'componentWillReceiveProps'
          );
        }
      }
      inst.componentWillReceiveProps(nextProps, nextContext);
      if (__DEV__) {
        if (this._debugID !== 0) {
          ReactInstrumentation.debugTool.onEndLifeCycleTimer(
            this._debugID,
            'componentWillReceiveProps'
          );
        }
      }
    }
    var nextState = this._processPendingState(nextProps, nextContext);
    var shouldUpdate = true;
    if (!this._pendingForceUpdate && inst.shouldComponentUpdate) {
      if (__DEV__) {
        if (this._debugID !== 0) {
          ReactInstrumentation.debugTool.onBeginLifeCycleTimer(
            this._debugID,
            'shouldComponentUpdate'
          );
        }
      }
      shouldUpdate = inst.shouldComponentUpdate(nextProps, nextState, nextContext);
      if (__DEV__) {