message: Added className in withAITracking function
diff: @@ -12,13 +12,18 @@ import ReactPlugin from './ReactPlugin';
  * @param reactPlugin ReactPlugin instance
  * @param Component the React component to be instrumented
  * @param componentName (optional) component name
  + * @param className (optional) className of the HOC div
  */
  -export default function withAITracking<P>(reactPlugin: ReactPlugin, Component: React.ComponentType<P>, componentName?: string): React.ComponentClass<P> {
  +export default function withAITracking<P>(reactPlugin: ReactPlugin, Component: React.ComponentType<P>, componentName?: string, className?: string): React.ComponentClass<P> {
  if (componentName === undefined || componentName === null || typeof componentName !== 'string') {
  componentName = Component.prototype.constructor.name;
  }
  + if (className === undefined || className === null || typeof className !== 'string') {
  + className = '';
  + }
  +
  return class extends React.Component<P> {
  private _mountTimestamp: number = 0;
  private _firstActiveTimestamp: number = 0;
  @@ -77,7 +82,7 @@ export default function withAITracking<P>(reactPlugin: ReactPlugin, Component: R
  onMouseDown={this.trackActivity}
  onTouchStart={this.trackActivity}
  onTouchMove={this.trackActivity}
  - className="appinsights-hoc"
  + className={className}
  >
  <Component {...this.props} />
  </div>
  