src/vs/editor/standalone/browser/iPadShowKeyboard/iPadShowKeyboard.ts/IPadShowKeyboard/constructor
class IPadShowKeyboard:	constructor(editor: ICodeEditor) {
		super();
		this.editor = editor;
		this.widget = null;
		if (isIOS) {
			this._register(editor.onDidChangeConfiguration(() => this.update()));
			this.update();
		}
	}