1 files changed, 0 insertions, 92 deletions
diff --git a/browser/components/webextensions/ext-sessions.js b/browser/components/webextensions/ext-sessions.js
deleted file mode 100644
index 4c13a1ac3..000000000
--- a/browser/components/webextensions/ext-sessions.js
+++ /dev/null
@@ -1,92 +0,0 @@
-/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */
-/* vim: set sts=2 sw=2 et tw=80: */
-"use strict";
-
-Cu.import("resource://gre/modules/ExtensionUtils.jsm");
-var {
-  promiseObserved,
-} = ExtensionUtils;
-
-XPCOMUtils.defineLazyModuleGetter(this, "SessionStore",
-                                  "resource:///modules/sessionstore/SessionStore.jsm");
-
-function getRecentlyClosed(maxResults, extension) {
-  let recentlyClosed = [];
-
-  // Get closed windows
-  let closedWindowData = SessionStore.getClosedWindowData(false);
-  for (let window of closedWindowData) {
-    recentlyClosed.push({
-      lastModified: window.closedAt,
-      window: WindowManager.convertFromSessionStoreClosedData(window, extension)});
-  }
-
-  // Get closed tabs
-  for (let window of WindowListManager.browserWindows()) {
-    let closedTabData = SessionStore.getClosedTabData(window, false);
-    for (let tab of closedTabData) {
-      recentlyClosed.push({
-        lastModified: tab.closedAt,
-        tab: TabManager.for(extension).convertFromSessionStoreClosedData(tab, window)});
-    }
-  }
-
-  // Sort windows and tabs
-  recentlyClosed.sort((a, b) => b.lastModified - a.lastModified);
-  return recentlyClosed.slice(0, maxResults);
-}
-
-function createSession(restored, extension, sessionId) {
-  if (!restored) {
-    return Promise.reject({message: `Could not restore object using sessionId ${sessionId}.`});
-  }
-  let sessionObj = {lastModified: Date.now()};
-  if (restored instanceof Ci.nsIDOMChromeWindow) {
-    return promiseObserved("sessionstore-single-window-restored", subject => subject == restored).then(() => {
-      sessionObj.window = WindowManager.convert(extension, restored, {populate: true});
-      return Promise.resolve([sessionObj]);
-    });
-  }
-  sessionObj.tab = TabManager.for(extension).convert(restored);
-  return Promise.resolve([sessionObj]);
-}
-
-extensions.registerSchemaAPI("sessions", "addon_parent", context => {
-  let {extension} = context;
-  return {
-    sessions: {
-      getRecentlyClosed: function(filter) {
-        let maxResults = filter.maxResults == undefined ? this.MAX_SESSION_RESULTS : filter.maxResults;
-        return Promise.resolve(getRecentlyClosed(maxResults, extension));
-      },
-      restore: function(sessionId) {
-        let session, closedId;
-        if (sessionId) {
-          closedId = sessionId;
-          session = SessionStore.undoCloseById(closedId);
-        } else if (SessionStore.lastClosedObjectType == "window") {
-          // If the most recently closed object is a window, just undo closing the most recent window.
-          session = SessionStore.undoCloseWindow(0);
-        } else {
-          // It is a tab, and we cannot call SessionStore.undoCloseTab without a window,
-          // so we must find the tab in which case we can just use its closedId.
-          let recentlyClosedTabs = [];
-          for (let window of WindowListManager.browserWindows()) {
-            let closedTabData = SessionStore.getClosedTabData(window, false);
-            for (let tab of closedTabData) {
-              recentlyClosedTabs.push(tab);
-            }
-          }
-
-          // Sort the tabs.
-          recentlyClosedTabs.sort((a, b) => b.closedAt - a.closedAt);
-
-          // Use the closedId of the most recently closed tab to restore it.
-          closedId = recentlyClosedTabs[0].closedId;
-          session = SessionStore.undoCloseById(closedId);
-        }
-        return createSession(session, extension, closedId);
-      },
-    },
-  };
-});