var urlbarhistorydropmarker = {
	dropmarker: null,
	constructor: function() {
		var after;
		if (document.querySelector("#urlbar .urlbar-history-dropmarker") || !(after = document.querySelector("#urlbar #page-action-buttons")))
			return;
		var {UrlbarProviderTopSites} = ChromeUtils.import("resource:///modules/UrlbarProviderTopSites.jsm");
		UrlbarProviderTopSites.isActive = {
			isActive() { return false; }
		}.isActive;
		if (Services.prefs.getBoolPref("browser.urlbar.openViewOnFocus", true))
			return;
		var fragment = MozXULElement.parseXULToFragment(`<image class="urlbar-history-dropmarker urlbar-icon chromeclass-toolbar-additional" role="button" tooltiptext="Показать историю"/>`);
		var dropmarker = this.dropmarker = fragment.firstElementChild;
		after.before(fragment);
		dropmarker.addEventListener("mousedown", this);
		// ucf_custom_script_win.unloadlisteners.push("urlbarhistorydropmarker");
	},
	destructor: function() {
		this.dropmarker.removeEventListener("mousedown", this);
	},
	handleEvent: function(event) {
		event.preventDefault();
		event.stopPropagation();
		if (gURLBar.view.isOpen)
			gURLBar.view.close();
		else {
			gURLBar.focus();
			gURLBar.startQuery({
			  allowAutofill: false,
			  event,
			});
			gURLBar._maybeSelectAll();
		}
	}
};

try { urlbarhistorydropmarker.constructor(); } catch (e) {}