src/vs/editor/browser/widget/codeEditorWidget.ts/CodeEditorWidget/removeOverlayWidget
class CodeEditorWidget:	public removeOverlayWidget(widget: editorBrowser.IOverlayWidget): void {
		const widgetId = widget.getId();
		if (this._overlayWidgets.hasOwnProperty(widgetId)) {
			const widgetData = this._overlayWidgets[widgetId];
			delete this._overlayWidgets[widgetId];
			if (this._modelData && this._modelData.hasRealView) {
				this._modelData.view.removeOverlayWidget(widgetData);
			}
		}
	}