1 files changed, 9 insertions, 11 deletions
diff --git a/browser/components/customizableui/CustomizeMode.sys.mjs b/browser/components/customizableui/CustomizeMode.sys.mjs
index 5f6d01d833..7b4ee373be 100644
--- a/browser/components/customizableui/CustomizeMode.sys.mjs
+++ b/browser/components/customizableui/CustomizeMode.sys.mjs
@@ -28,7 +28,6 @@ ChromeUtils.defineESModuleGetters(lazy, {
   AddonManager: "resource://gre/modules/AddonManager.sys.mjs",
   BrowserUsageTelemetry: "resource:///modules/BrowserUsageTelemetry.sys.mjs",
   DragPositionManager: "resource:///modules/DragPositionManager.sys.mjs",
-  SessionStore: "resource:///modules/sessionstore/SessionStore.sys.mjs",
   URILoadingHelper: "resource:///modules/URILoadingHelper.sys.mjs",
 });
 ChromeUtils.defineLazyGetter(lazy, "gWidgetsBundle", function () {
@@ -63,14 +62,14 @@ var gTab;
 function closeGlobalTab() {
   let win = gTab.ownerGlobal;
   if (win.gBrowser.browsers.length == 1) {
-    win.BrowserOpenTab();
+    win.BrowserCommands.openTab();
   }
   win.gBrowser.removeTab(gTab, { animate: true });
   gTab = null;
 }
 
 var gTabsProgressListener = {
-  onLocationChange(aBrowser, aWebProgress, aRequest, aLocation, aFlags) {
+  onLocationChange(aBrowser, aWebProgress, aRequest, aLocation) {
     // Tear down customize mode when the customize mode tab loads some other page.
     // Customize mode will be re-entered if "about:blank" is loaded again, so
     // don't tear down in this case.
@@ -221,7 +220,6 @@ CustomizeMode.prototype = {
     gTab = aTab;
 
     gTab.setAttribute("customizemode", "true");
-    lazy.SessionStore.persistTabAttribute("customizemode");
 
     if (gTab.linkedPanel) {
       gTab.linkedBrowser.stop();
@@ -663,7 +661,7 @@ CustomizeMode.prototype = {
     });
   },
 
-  async addToToolbar(aNode, aReason) {
+  async addToToolbar(aNode) {
     aNode = this._getCustomizableChildForNode(aNode);
     if (aNode.localName == "toolbarpaletteitem" && aNode.firstElementChild) {
       aNode = aNode.firstElementChild;
@@ -1282,15 +1280,15 @@ CustomizeMode.prototype = {
     this._onUIChange();
   },
 
-  onWidgetMoved(aWidgetId, aArea, aOldPosition, aNewPosition) {
+  onWidgetMoved() {
     this._onUIChange();
   },
 
-  onWidgetAdded(aWidgetId, aArea, aPosition) {
+  onWidgetAdded() {
     this._onUIChange();
   },
 
-  onWidgetRemoved(aWidgetId, aArea) {
+  onWidgetRemoved() {
     this._onUIChange();
   },
 
@@ -1649,7 +1647,7 @@ CustomizeMode.prototype = {
     delete this.paletteDragHandler;
   },
 
-  observe(aSubject, aTopic, aData) {
+  observe(aSubject, aTopic) {
     switch (aTopic) {
       case "nsPref:changed":
         this._updateResetButton();
@@ -2329,7 +2327,7 @@ CustomizeMode.prototype = {
     }
   },
 
-  _setGridDragActive(aDragOverNode, aDraggedItem, aValue) {
+  _setGridDragActive(aDragOverNode, aDraggedItem) {
     let targetArea = this._getCustomizableParent(aDragOverNode);
     let draggedWrapper = this.$("wrapper-" + aDraggedItem.id);
     let originArea = this._getCustomizableParent(draggedWrapper);
@@ -2428,7 +2426,7 @@ CustomizeMode.prototype = {
     return aElement.closest(areas.map(a => "#" + CSS.escape(a)).join(","));
   },
 
-  _getDragOverNode(aEvent, aAreaElement, aAreaType, aDraggedItemId) {
+  _getDragOverNode(aEvent, aAreaElement, aAreaType) {
     let expectedParent =
       CustomizableUI.getCustomizationTarget(aAreaElement) || aAreaElement;
     if (!expectedParent.contains(aEvent.target)) {