src/vs/editor/browser/viewParts/viewZones/viewZones.ts/ViewZones/_safeCallOnComputedHeight
class ViewZones:	private _safeCallOnComputedHeight(zone: IViewZone, height: number): void {
		if (typeof zone.onComputedHeight === 'function') {
			try {
				zone.onComputedHeight(height);
			} catch (e) {
				onUnexpectedError(e);
			}
		}
	}