Bug 1953575 - move gShareUtils to its own module, r=firefox-desktop-core-reviewers ,tabbrowser-reviewers,dao

Differential Revision: https://phabricator.services.mozilla.com/D241485

browser/base/content/browser.js

@@ -77,6 +77,7 @@ ChromeUtils.defineESModuleGetters(this, {
   SearchUIUtils: "moz-src:///browser/components/search/SearchUIUtils.sys.mjs",
   SessionStartup: "resource:///modules/sessionstore/SessionStartup.sys.mjs",
   SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
+  SharingUtils: "resource:///modules/SharingUtils.sys.mjs",
   ShoppingSidebarParent: "resource:///actors/ShoppingSidebarParent.sys.mjs",
   ShoppingSidebarManager: "resource:///actors/ShoppingSidebarParent.sys.mjs",
   ShortcutUtils: "resource://gre/modules/ShortcutUtils.sys.mjs",
@@ -2053,7 +2054,7 @@ let gFileMenu = {
     this.updateImportCommandEnabledState();
     this.updateTabCloseCountState();
     if (AppConstants.platform == "macosx") {
-      gShareUtils.updateShareURLMenuItem(
+      SharingUtils.updateShareURLMenuItem(
         gBrowser.selectedBrowser,
         document.getElementById("menu_savePage")
       );
@@ -2062,215 +2063,6 @@ let gFileMenu = {
   },
 };
 
-let gShareUtils = {
-  /**
-   * Updates a sharing item in a given menu, creating it if necessary.
-   */
-  updateShareURLMenuItem(browser, insertAfterEl) {
-    if (!Services.prefs.getBoolPref("browser.menu.share_url.allow", true)) {
-      return;
-    }
-
-    // We only support "share URL" on macOS and on Windows:
-    if (AppConstants.platform != "macosx" && AppConstants.platform != "win") {
-      return;
-    }
-
-    let shareURL = insertAfterEl.nextElementSibling;
-    if (!shareURL?.matches(".share-tab-url-item")) {
-      shareURL = this._createShareURLMenuItem(insertAfterEl);
-    }
-
-    shareURL.browserToShare = Cu.getWeakReference(browser);
-    if (AppConstants.platform == "win") {
-      // We disable the item on Windows, as there's no submenu.
-      // On macOS, we handle this inside the menupopup.
-      shareURL.hidden = !BrowserUtils.getShareableURL(browser.currentURI);
-    }
-  },
-
-  /**
-   * Creates and returns the "Share" menu item.
-   */
-  _createShareURLMenuItem(insertAfterEl) {
-    let menu = insertAfterEl.parentNode;
-    let shareURL = null;
-    if (AppConstants.platform == "win") {
-      shareURL = this._buildShareURLItem(menu.id);
-    } else if (AppConstants.platform == "macosx") {
-      shareURL = this._buildShareURLMenu(menu.id);
-    }
-    shareURL.className = "share-tab-url-item";
-
-    let l10nID =
-      menu.id == "tabContextMenu"
-        ? "tab-context-share-url"
-        : "menu-file-share-url";
-    document.l10n.setAttributes(shareURL, l10nID);
-
-    menu.insertBefore(shareURL, insertAfterEl.nextSibling);
-    return shareURL;
-  },
-
-  /**
-   * Returns a menu item specifically for accessing Windows sharing services.
-   */
-  _buildShareURLItem() {
-    let shareURLMenuItem = document.createXULElement("menuitem");
-    shareURLMenuItem.addEventListener("command", this);
-    return shareURLMenuItem;
-  },
-
-  /**
-   * Returns a menu specifically for accessing macOSx sharing services .
-   */
-  _buildShareURLMenu() {
-    let menu = document.createXULElement("menu");
-    let menuPopup = document.createXULElement("menupopup");
-    menuPopup.addEventListener("popupshowing", this);
-    menu.appendChild(menuPopup);
-    return menu;
-  },
-
-  /**
-   * Get the sharing data for a given DOM node.
-   */
-  getDataToShare(node) {
-    let browser = node.browserToShare?.get();
-    let urlToShare = null;
-    let titleToShare = null;
-
-    if (browser) {
-      let maybeToShare = BrowserUtils.getShareableURL(browser.currentURI);
-      if (maybeToShare) {
-        urlToShare = maybeToShare;
-        titleToShare = browser.contentTitle;
-      }
-    }
-    return { urlToShare, titleToShare };
-  },
-
-  /**
-   * Populates the "Share" menupopup on macOSx.
-   */
-  initializeShareURLPopup(menuPopup) {
-    if (AppConstants.platform != "macosx") {
-      return;
-    }
-
-    // Empty menupopup
-    while (menuPopup.firstChild) {
-      menuPopup.firstChild.remove();
-    }
-
-    let { urlToShare } = this.getDataToShare(menuPopup.parentNode);
-
-    // If we can't share the current URL, we display the items disabled,
-    // but enable the "more..." item at the bottom, to allow the user to
-    // change sharing preferences in the system dialog.
-    let shouldEnable = !!urlToShare;
-    if (!urlToShare) {
-      // Fake it so we can ask the sharing service for services:
-      urlToShare = makeURI("https://mozilla.org/");
-    }
-
-    let sharingService = gBrowser.MacSharingService;
-    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
-    let services = sharingService.getSharingProviders(currentURI);
-
-    services.forEach(share => {
-      let item = document.createXULElement("menuitem");
-      item.classList.add("menuitem-iconic");
-      item.setAttribute("label", share.menuItemTitle);
-      item.setAttribute("share-name", share.name);
-      item.setAttribute("image", share.image);
-      if (!shouldEnable) {
-        item.setAttribute("disabled", "true");
-      }
-      menuPopup.appendChild(item);
-    });
-    menuPopup.appendChild(document.createXULElement("menuseparator"));
-    let moreItem = document.createXULElement("menuitem");
-    document.l10n.setAttributes(moreItem, "menu-share-more");
-    moreItem.classList.add("menuitem-iconic", "share-more-button");
-    menuPopup.appendChild(moreItem);
-
-    menuPopup.addEventListener("command", this);
-    menuPopup.parentNode
-      .closest("menupopup")
-      .addEventListener("popuphiding", this);
-    menuPopup.setAttribute("data-initialized", true);
-  },
-
-  onShareURLCommand(event) {
-    // Only call sharing services for the "Share" menu item. These services
-    // are accessed from a submenu popup for MacOS or the "Share" menu item
-    // for Windows. Use .closest() as a hack to find either the item itself
-    // or a parent with the right class.
-    let target = event.target.closest(".share-tab-url-item");
-    if (!target) {
-      return;
-    }
-
-    // urlToShare/titleToShare may be null, in which case only the "more"
-    // item is enabled, so handle that case first:
-    if (event.target.classList.contains("share-more-button")) {
-      gBrowser.MacSharingService.openSharingPreferences();
-      return;
-    }
-
-    let { urlToShare, titleToShare } = this.getDataToShare(target);
-    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
-
-    if (AppConstants.platform == "win") {
-      WindowsUIUtils.shareUrl(currentURI, titleToShare);
-      return;
-    }
-
-    // On macOSX platforms
-    let shareName = event.target.getAttribute("share-name");
-
-    if (shareName) {
-      gBrowser.MacSharingService.shareUrl(shareName, currentURI, titleToShare);
-    }
-  },
-
-  onPopupHiding(event) {
-    // We don't want to rebuild the contents of the "Share" menupopup if only its submenu is
-    // hidden. So bail if this isn't the top menupopup in the DOM tree:
-    if (event.target.parentNode.closest("menupopup")) {
-      return;
-    }
-    // Otherwise, clear its "data-initialized" attribute.
-    let menupopup = event.target.querySelector(
-      ".share-tab-url-item"
-    )?.menupopup;
-    menupopup?.removeAttribute("data-initialized");
-
-    event.target.removeEventListener("popuphiding", this);
-  },
-
-  onPopupShowing(event) {
-    if (!event.target.hasAttribute("data-initialized")) {
-      this.initializeShareURLPopup(event.target);
-    }
-  },
-
-  handleEvent(aEvent) {
-    switch (aEvent.type) {
-      case "command":
-        this.onShareURLCommand(aEvent);
-        break;
-      case "popuphiding":
-        this.onPopupHiding(aEvent);
-        break;
-      case "popupshowing":
-        this.onPopupShowing(aEvent);
-        break;
-    }
-  },
-};
-
 /**
  * Opens a new tab with the userContextId specified as an attribute of
  * sourceEvent. This attribute is propagated to the top level originAttributes

browser/base/content/browser.js.globals

@@ -51,7 +51,6 @@
   "OpenBrowserWindow",
   "updateEditUIVisibility",
   "gFileMenu",
-  "gShareUtils",
   "openNewUserContextTab",
   "XULBrowserWindow",
   "LinkTargetDisplay",
@@ -149,6 +148,7 @@
   "SearchUIUtils",
   "SessionStartup",
   "SessionStore",
+  "SharingUtils",
   "ShoppingSidebarParent",
   "ShoppingSidebarManager",
   "ShortcutUtils",

browser/base/content/test/contextMenu/browser_contextmenu_share_macosx.js

@@ -28,8 +28,12 @@ let shareUrlSpy = sinon.spy();
 let openSharingPreferencesSpy = sinon.spy();
 let getSharingProvidersSpy = sinon.spy();
 
-let stub = sinon.stub(gBrowser, "MacSharingService").get(() => {
+let { MockRegistrar } = ChromeUtils.importESModule(
-  return {
+  "resource://testing-common/MockRegistrar.sys.mjs"
+);
+let mockMacSharingService = MockRegistrar.register(
+  "@mozilla.org/widget/macsharingservice;1",
+  {
     getSharingProviders(url) {
       getSharingProvidersSpy(url);
       return mockShareData;
@@ -40,11 +44,12 @@ let stub = sinon.stub(gBrowser, "MacSharingService").get(() => {
     openSharingPreferences() {
       openSharingPreferencesSpy();
     },
-  };
+    QueryInterface: ChromeUtils.generateQI([Ci.nsIMacSharingService]),
-});
+  }
+);
 
-registerCleanupFunction(async function () {
+registerCleanupFunction(function () {
-  stub.restore();
+  MockRegistrar.unregister(mockMacSharingService);
 });
 
 /**

browser/base/content/test/contextMenu/browser_contextmenu_share_win.js

@@ -16,16 +16,15 @@ const TEST_URL = BASE + "browser_contextmenu_shareurl.html";
 // Setup spies for observing function calls from MacSharingService
 let shareUrlSpy = sinon.spy();
 
-let stub = sinon.stub(gBrowser.ownerGlobal, "WindowsUIUtils").get(() => {
+SharingUtils.testOnlyMockUIUtils({
-  return {
   shareUrl(url, title) {
     shareUrlSpy(url, title);
   },
-  };
+  QueryInterface: ChromeUtils.generateQI([Ci.nsIWindowsUIUtils]),
 });
 
 registerCleanupFunction(async function () {
-  stub.restore();
+  SharingUtils.testOnlyMockUIUtils(null);
 });
 
 /**

browser/base/content/test/menubar/browser_file_share.js

@@ -28,8 +28,12 @@ let shareUrlSpy = sinon.spy();
 let openSharingPreferencesSpy = sinon.spy();
 let getSharingProvidersSpy = sinon.spy();
 
-let stub = sinon.stub(gBrowser, "MacSharingService").get(() => {
+let { MockRegistrar } = ChromeUtils.importESModule(
-  return {
+  "resource://testing-common/MockRegistrar.sys.mjs"
+);
+let mockMacSharingService = MockRegistrar.register(
+  "@mozilla.org/widget/macsharingservice;1",
+  {
     getSharingProviders(url) {
       getSharingProvidersSpy(url);
       return mockShareData;
@@ -40,11 +44,12 @@ let stub = sinon.stub(gBrowser, "MacSharingService").get(() => {
     openSharingPreferences() {
       openSharingPreferencesSpy();
     },
-  };
+    QueryInterface: ChromeUtils.generateQI([Ci.nsIMacSharingService]),
-});
+  }
+);
 
-registerCleanupFunction(async function () {
+registerCleanupFunction(function () {
-  stub.restore();
+  MockRegistrar.unregister(mockMacSharingService);
 });
 
 /**
@@ -68,13 +73,15 @@ add_task(async function test_file_menu_share() {
     ok(getSharingProvidersSpy.calledOnce, "getSharingProviders called");
 
     info(
-      "Check we have a service and one extra menu item for the More... button"
+      "Check we have copy link, a service and one extra menu item for the More... button"
     );
-    let items = popup.querySelectorAll("menuitem");
+    let items = Array.from(popup.querySelectorAll("menuitem"));
-    is(items.length, 2, "There should be 2 sharing services.");
+    is(items.length, 3, "There should be 2 sharing services.");
 
     info("Click on the sharing service");
-    let shareButton = items[0];
+    let shareButton = items.find(
+      t => t.label == mockShareData[0].menuItemTitle
+    );
     is(
       shareButton.label,
       mockShareData[0].menuItemTitle,
@@ -98,6 +105,25 @@ add_task(async function test_file_menu_share() {
     await simulateMenuClosed(popup);
     await simulateMenuClosed(menu);
 
+    info("Test the copy link button");
+    await simulateMenuOpen(menu);
+    popup = menu.querySelector(".share-tab-url-item").menupopup;
+    await simulateMenuOpen(popup);
+    // Since the menu was collapsed previously, the popup needs to get the
+    // providers again.
+    ok(getSharingProvidersSpy.calledTwice, "getSharingProviders called again");
+    items = Array.from(popup.querySelectorAll("menuitem"));
+    is(items.length, 3, "There should be 3 sharing services.");
+    info("Click on the Copy Link item");
+    let copyLinkItem = items.find(
+      item => item.dataset.l10nId == "menu-share-copy-link"
+    );
+    await SimpleTest.promiseClipboardChange(TEST_URL, () =>
+      copyLinkItem.doCommand()
+    );
+    await simulateMenuClosed(popup);
+    await simulateMenuClosed(menu);
+
     info("Test the More... button");
 
     await simulateMenuOpen(menu);
@@ -105,12 +131,12 @@ add_task(async function test_file_menu_share() {
     await simulateMenuOpen(popup);
     // Since the menu was collapsed previously, the popup needs to get the
     // providers again.
-    ok(getSharingProvidersSpy.calledTwice, "getSharingProviders called again");
+    is(getSharingProvidersSpy.callCount, 3, "getSharingProviders called again");
     items = popup.querySelectorAll("menuitem");
-    is(items.length, 2, "There should be 2 sharing services.");
+    is(items.length, 3, "There should be 3 sharing services.");
 
     info("Click on the More Button");
-    let moreButton = items[1];
+    let moreButton = items[2];
     moreButton.doCommand();
     ok(openSharingPreferencesSpy.calledOnce, "openSharingPreferences called");
     // Tidy up:

browser/components/tabbrowser/content/tabbrowser.js

@@ -113,12 +113,6 @@
         UrlbarProviderOpenTabs:
           "resource:///modules/UrlbarProviderOpenTabs.sys.mjs",
       });
-      XPCOMUtils.defineLazyServiceGetters(this, {
-        MacSharingService: [
-          "@mozilla.org/widget/macsharingservice;1",
-          "nsIMacSharingService",
-        ],
-      });
       ChromeUtils.defineLazyGetter(this, "tabLocalization", () => {
         return new Localization(
           ["browser/tabbrowser.ftl", "branding/brand.ftl"],
@@ -8867,7 +8861,7 @@ var TabContextMenu = {
       PrivateBrowsingUtils.isWindowPrivate(window);
     reopenInContainer.disabled = this.contextTab.hidden;
 
-    gShareUtils.updateShareURLMenuItem(
+    SharingUtils.updateShareURLMenuItem(
       this.contextTab.linkedBrowser,
       document.getElementById("context_sendTabToDevice")
     );

browser/modules/SharingUtils.sys.mjs

@@ -0,0 +1,250 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import { AppConstants } from "resource://gre/modules/AppConstants.sys.mjs";
+import { BrowserUtils } from "resource://gre/modules/BrowserUtils.sys.mjs";
+import { XPCOMUtils } from "resource://gre/modules/XPCOMUtils.sys.mjs";
+
+let lazy = {};
+
+XPCOMUtils.defineLazyServiceGetters(lazy, {
+  MacSharingService: [
+    "@mozilla.org/widget/macsharingservice;1",
+    "nsIMacSharingService",
+  ],
+  WindowsUIUtils: ["@mozilla.org/windows-ui-utils;1", "nsIWindowsUIUtils"],
+});
+
+class SharingUtilsCls {
+  /**
+   * Updates a sharing item in a given menu, creating it if necessary.
+   */
+  updateShareURLMenuItem(browser, insertAfterEl) {
+    if (!Services.prefs.getBoolPref("browser.menu.share_url.allow", true)) {
+      return;
+    }
+
+    // We only support "share URL" on macOS and on Windows:
+    if (AppConstants.platform != "macosx" && AppConstants.platform != "win") {
+      return;
+    }
+
+    let shareURL = insertAfterEl.nextElementSibling;
+    if (!shareURL?.matches(".share-tab-url-item")) {
+      shareURL = this.#createShareURLMenuItem(insertAfterEl);
+    }
+
+    shareURL.browserToShare = Cu.getWeakReference(browser);
+    if (AppConstants.platform == "win") {
+      // We disable the item on Windows, as there's no submenu.
+      // On macOS, we handle this inside the menupopup.
+      shareURL.hidden = !BrowserUtils.getShareableURL(browser.currentURI);
+    }
+  }
+
+  /**
+   * Creates and returns the "Share" menu item.
+   */
+  #createShareURLMenuItem(insertAfterEl) {
+    let menu = insertAfterEl.parentNode;
+    let shareURL = null;
+    let document = insertAfterEl.ownerDocument;
+    if (AppConstants.platform == "win") {
+      shareURL = this.#buildShareURLItem(document);
+    } else if (AppConstants.platform == "macosx") {
+      shareURL = this.#buildShareURLMenu(document);
+    }
+    shareURL.className = "share-tab-url-item";
+
+    let l10nID =
+      menu.id == "tabContextMenu"
+        ? "tab-context-share-url"
+        : "menu-file-share-url";
+    document.l10n.setAttributes(shareURL, l10nID);
+
+    menu.insertBefore(shareURL, insertAfterEl.nextSibling);
+    return shareURL;
+  }
+
+  /**
+   * Returns a menu item specifically for accessing Windows sharing services.
+   */
+  #buildShareURLItem(document) {
+    let shareURLMenuItem = document.createXULElement("menuitem");
+    shareURLMenuItem.addEventListener("command", this);
+    return shareURLMenuItem;
+  }
+
+  /**
+   * Returns a menu specifically for accessing macOSx sharing services .
+   */
+  #buildShareURLMenu(document) {
+    let menu = document.createXULElement("menu");
+    let menuPopup = document.createXULElement("menupopup");
+    menuPopup.addEventListener("popupshowing", this);
+    menu.appendChild(menuPopup);
+    return menu;
+  }
+
+  /**
+   * Get the sharing data for a given DOM node.
+   */
+  getDataToShare(node) {
+    let browser = node.browserToShare?.get();
+    let urlToShare = null;
+    let titleToShare = null;
+
+    if (browser) {
+      let maybeToShare = BrowserUtils.getShareableURL(browser.currentURI);
+      if (maybeToShare) {
+        urlToShare = maybeToShare;
+        titleToShare = browser.contentTitle;
+      }
+    }
+    return { urlToShare, titleToShare };
+  }
+
+  /**
+   * Populates the "Share" menupopup on macOSx.
+   */
+  initializeShareURLPopup(menuPopup) {
+    if (AppConstants.platform != "macosx") {
+      return;
+    }
+
+    // Empty menupopup
+    while (menuPopup.firstChild) {
+      menuPopup.firstChild.remove();
+    }
+
+    let document = menuPopup.ownerDocument;
+    let { gURLBar } = menuPopup.ownerGlobal;
+
+    let { urlToShare } = this.getDataToShare(menuPopup.parentNode);
+
+    // If we can't share the current URL, we display the items disabled,
+    // but enable the "more..." item at the bottom, to allow the user to
+    // change sharing preferences in the system dialog.
+    let shouldEnable = !!urlToShare;
+    if (!urlToShare) {
+      // Fake it so we can ask the sharing service for services:
+      urlToShare = Services.io.newURI("https://mozilla.org/");
+    }
+
+    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
+    let services = lazy.MacSharingService.getSharingProviders(currentURI);
+
+    services.forEach(share => {
+      let item = document.createXULElement("menuitem");
+      item.classList.add("menuitem-iconic");
+      item.setAttribute("label", share.menuItemTitle);
+      item.setAttribute("share-name", share.name);
+      item.setAttribute("image", share.image);
+      if (!shouldEnable) {
+        item.setAttribute("disabled", "true");
+      }
+      menuPopup.appendChild(item);
+    });
+    menuPopup.appendChild(document.createXULElement("menuseparator"));
+    let moreItem = document.createXULElement("menuitem");
+    document.l10n.setAttributes(moreItem, "menu-share-more");
+    moreItem.classList.add("menuitem-iconic", "share-more-button");
+    menuPopup.appendChild(moreItem);
+
+    menuPopup.addEventListener("command", this);
+    menuPopup.parentNode
+      .closest("menupopup")
+      .addEventListener("popuphiding", this);
+    menuPopup.setAttribute("data-initialized", true);
+  }
+
+  onShareURLCommand(event) {
+    // Only call sharing services for the "Share" menu item. These services
+    // are accessed from a submenu popup for MacOS or the "Share" menu item
+    // for Windows. Use .closest() as a hack to find either the item itself
+    // or a parent with the right class.
+    let target = event.target.closest(".share-tab-url-item");
+    if (!target) {
+      return;
+    }
+    let { gURLBar } = target.ownerGlobal;
+
+    // urlToShare/titleToShare may be null, in which case only the "more"
+    // item is enabled, so handle that case first:
+    if (event.target.classList.contains("share-more-button")) {
+      lazy.MacSharingService.openSharingPreferences();
+      return;
+    }
+
+    let { urlToShare, titleToShare } = this.getDataToShare(target);
+    let currentURI = gURLBar.makeURIReadable(urlToShare).displaySpec;
+
+    if (AppConstants.platform == "win") {
+      lazy.WindowsUIUtils.shareUrl(currentURI, titleToShare);
+      return;
+    }
+
+    // On macOSX platforms
+    let shareName = event.target.getAttribute("share-name");
+
+    if (shareName) {
+      lazy.MacSharingService.shareUrl(shareName, currentURI, titleToShare);
+    }
+  }
+
+  onPopupHiding(event) {
+    // We don't want to rebuild the contents of the "Share" menupopup if only its submenu is
+    // hidden. So bail if this isn't the top menupopup in the DOM tree:
+    if (event.target.parentNode.closest("menupopup")) {
+      return;
+    }
+    // Otherwise, clear its "data-initialized" attribute.
+    let menupopup = event.target.querySelector(
+      ".share-tab-url-item"
+    )?.menupopup;
+    menupopup?.removeAttribute("data-initialized");
+
+    event.target.removeEventListener("popuphiding", this);
+  }
+
+  onPopupShowing(event) {
+    if (!event.target.hasAttribute("data-initialized")) {
+      this.initializeShareURLPopup(event.target);
+    }
+  }
+
+  handleEvent(aEvent) {
+    switch (aEvent.type) {
+      case "command":
+        this.onShareURLCommand(aEvent);
+        break;
+      case "popuphiding":
+        this.onPopupHiding(aEvent);
+        break;
+      case "popupshowing":
+        this.onPopupShowing(aEvent);
+        break;
+    }
+  }
+
+  testOnlyMockUIUtils(mock) {
+    if (!Cu.isInAutomation) {
+      throw new Error("Can only mock utils in automation.");
+    }
+    // eslint-disable-next-line mozilla/valid-lazy
+    Object.defineProperty(lazy, "WindowsUIUtils", {
+      get() {
+        if (mock) {
+          return mock;
+        }
+        return Cc["@mozilla.org/windows-ui-utils;1"].getService(
+          Ci.nsIWindowsUIUtils
+        );
+      },
+    });
+  }
+}
+
+export let SharingUtils = new SharingUtilsCls();

browser/modules/moz.build

@@ -137,6 +137,7 @@ EXTRA_JS_MODULES += [
     "ProcessHangMonitor.sys.mjs",
     "Sanitizer.sys.mjs",
     "SelectionChangedMenulist.sys.mjs",
+    "SharingUtils.sys.mjs",
     "SiteDataManager.sys.mjs",
     "SitePermissions.sys.mjs",
     "TransientPrefs.sys.mjs",