src/vs/editor/browser/view/viewLayer.ts/VisibleLinesCollection/onLinesDeleted
class VisibleLinesCollection:	public onLinesDeleted(e: viewEvents.ViewLinesDeletedEvent): boolean {
		const deleted = this._linesCollection.onLinesDeleted(e.fromLineNumber, e.toLineNumber);
		if (deleted) {
			// Remove from DOM
			for (let i = 0, len = deleted.length; i < len; i++) {
				const lineDomNode = deleted[i].getDomNode();
				if (lineDomNode) {
					this.domNode.domNode.removeChild(lineDomNode);
				}
			}
		}

		return true;
	}