Close tabs in background

lib/TabManager.jsx

@@ -639,9 +639,7 @@ class TabManager extends React.Component {
 			return _this2.state.tabsbyid[id];
 		});
 		if (tabs.length) {
-			for (var i = 0; i < tabs.length; i++) {
-				await browser.tabs.remove(tabs[i].id);
-			}
+			browser.runtime.sendMessage({command: "close_tabs", tabs: tabs});
 		} else {
 			var t = await browser.tabs.query({ currentWindow: true, active: true });
 			if (t && t.length > 0) {

lib/background.js

@@ -26,6 +26,12 @@ async function discardTabs(tabs) {
 	}
 }
 
+async function closeTabs(tabs) {
+	for (var i = 0; i < tabs.length; i++) {
+		await browser.tabs.remove(tabs[i].id);
+	}
+}
+
 async function moveTabsToWindow(windowId, tabs) {
 	for (var i = 0; i < tabs.length; i++) {
 		var t = tabs[i];
@@ -759,9 +765,7 @@ browser.runtime.onMessage.addListener(function(request, sender, sendResponse) {
 			createWindowWithSessionTabs(request.window);
 			break;
 		case "close_tabs":
-			for (var i = 0; i < request.tabs.length; i++) {
-				browser.tabs.remove(request.tabs[i]);
-			}
+			closeTabs(request.tabs);
 			break;
 	}
 });