2 files changed, 3 insertions, 43 deletions

diff --git a/browser/components/customizableui/CustomizableUI.jsm b/browser/components/customizableui/CustomizableUI.jsm
index 86ff2708b..cb0f519b2 100644
--- a/browser/components/customizableui/CustomizableUI.jsm
+++ b/browser/components/customizableui/CustomizableUI.jsm
@@ -207,15 +207,6 @@ var CustomizableUIInternal = {
       panelPlacements.splice(-1, 0, "developer-button");
     }
 
-    if (AppConstants.E10S_TESTING_ONLY) {
-      if (gPalette.has("e10s-button")) {
-        let newWindowIndex = panelPlacements.indexOf("new-window-button");
-        if (newWindowIndex > -1) {
-          panelPlacements.splice(newWindowIndex + 1, 0, "e10s-button");
-        }
-      }
-    }
-
     let showCharacterEncoding = Services.prefs.getComplexValue(
       "browser.menu.showCharacterEncoding",
       Ci.nsIPrefLocalizedString
@@ -262,24 +253,14 @@ var CustomizableUIInternal = {
       defaultCollapsed: false,
     }, true);
 
-    if (AppConstants.platform != "macosx") {
+    if (AppConstants.MENUBAR_CAN_AUTOHIDE) {
       this.registerArea(CustomizableUI.AREA_MENUBAR, {
         legacy: true,
         type: CustomizableUI.TYPE_TOOLBAR,
         defaultPlacements: [
           "menubar-items",
         ],
-        get defaultCollapsed() {
-          if (AppConstants.MENUBAR_CAN_AUTOHIDE) {
-            if (AppConstants.platform == "linux") {
-              return true;
-            }
-            // This is duplicated logic from /browser/base/jar.mn
-            // for win6BrowserOverlay.xul.
-            return AppConstants.isPlatformAndVersionAtLeast("win", 6);
-          }
-          return false;
-        }
+        defaultCollapsed: true,
       }, true);
     }
 
diff --git a/browser/components/customizableui/CustomizableWidgets.jsm b/browser/components/customizableui/CustomizableWidgets.jsm
index 907e2e0f7..3e83b081c 100644
--- a/browser/components/customizableui/CustomizableWidgets.jsm
+++ b/browser/components/customizableui/CustomizableWidgets.jsm
@@ -1187,10 +1187,7 @@ let preferencesButton = {
     win.openPreferences();
   }
 };
-if (AppConstants.platform == "win") {
-  preferencesButton.label = "preferences-button.labelWin";
-  preferencesButton.tooltiptext = "preferences-button.tooltipWin2";
-} else if (AppConstants.platform == "macosx") {
+if (AppConstants.platform == "macosx") {
   preferencesButton.tooltiptext = "preferences-button.tooltiptext.withshortcut";
   preferencesButton.shortcutId = "key_preferencesCmdMac";
 } else {
@@ -1261,21 +1258,3 @@ if (Services.prefs.getBoolPref("privacy.panicButton.enabled")) {
     },
   });
 }
-
-if (AppConstants.E10S_TESTING_ONLY) {
-  if (Services.appinfo.browserTabsRemoteAutostart) {
-    CustomizableWidgets.push({
-      id: "e10s-button",
-      defaultArea: CustomizableUI.AREA_PANEL,
-      onBuild: function(aDocument) {
-        let node = aDocument.createElementNS(kNSXUL, "toolbarbutton");
-        node.setAttribute("label", CustomizableUI.getLocalizedProperty(this, "label"));
-        node.setAttribute("tooltiptext", CustomizableUI.getLocalizedProperty(this, "tooltiptext"));
-      },
-      onCommand: function(aEvent) {
-        let win = aEvent.view;
-        win.OpenBrowserWindow({remote: false});
-      },
-    });
-  }
-}