Method _markForCheck

src/material/tooltip/tooltip.ts:1083–1085

* Marks that the tooltip needs to be checked in the next change detection run. * Mainly used for rendering the initial text before positioning a tooltip, which * can be problematic in components with OnPush change detection.

()

   * can be problematic in components with OnPush change detection.
   */
  _markForCheck(): void {
    this._changeDetectorRef.markForCheck();
  }

  _handleMouseLeave({relatedTarget}: MouseEvent) {
    if (!relatedTarget || !this._triggerElement.contains(relatedTarget as Node)) {