--- a/browser/components/preferences/in-content/content.js
+++ b/browser/components/preferences/in-content/content.js
@@ -11,17 +11,17 @@ XPCOMUtils.defineLazyGetter(this, "Alert
     alertsService.manualDoNotDisturb;
     return alertsService;
   } catch (ex) {
     return undefined;
   }
 });
 
 var gContentPane = {
-  init: function()
+  init()
   {
     function setEventListener(aId, aEventType, aCallback)
     {
       document.getElementById(aId)
               .addEventListener(aEventType, aCallback.bind(gContentPane));
     }
 
     // Initializes the fonts dropdowns displayed in this pane.
@@ -94,17 +94,17 @@ var gContentPane = {
   },
 
   // UTILITY FUNCTIONS
 
   /**
    * Utility function to enable/disable the button specified by aButtonID based
    * on the value of the Boolean preference specified by aPreferenceID.
    */
-  updateButtons: function(aButtonID, aPreferenceID)
+  updateButtons(aButtonID, aPreferenceID)
   {
     var button = document.getElementById(aButtonID);
     var preference = document.getElementById(aPreferenceID);
     button.disabled = preference.value != true;
     return undefined;
   },
 
   // BEGIN UI CODE
@@ -140,49 +140,49 @@ var gContentPane = {
 
 
   // POP-UPS
 
   /**
    * Displays the popup exceptions dialog where specific site popup preferences
    * can be set.
    */
-  showPopupExceptions: function()
+  showPopupExceptions()
   {
     var bundlePreferences = document.getElementById("bundlePreferences");
     var params = { blockVisible: false, sessionVisible: false, allowVisible: true,
                    prefilledHost: "", permissionType: "popup" }
     params.windowTitle = bundlePreferences.getString("popuppermissionstitle");
     params.introText = bundlePreferences.getString("popuppermissionstext");
 
     gSubDialog.open("chrome://browser/content/preferences/permissions.xul",
                     "resizable=yes", params);
   },
 
   // FONTS
 
   /**
    * Populates the default font list in UI.
    */
-  _rebuildFonts: function()
+  _rebuildFonts()
   {
     var preferences = document.getElementById("contentPreferences");
     // Ensure preferences are "visible" to ensure bindings work.
     preferences.hidden = false;
     // Force flush:
     preferences.clientHeight;
     var langGroupPref = document.getElementById("font.language.group");
     this._selectDefaultLanguageGroup(langGroupPref.value,
                                      this._readDefaultFontTypeForLanguage(langGroupPref.value) == "serif");
   },
 
   /**
    *
    */
-  _selectDefaultLanguageGroup: function(aLanguageGroup, aIsSerif)
+  _selectDefaultLanguageGroup(aLanguageGroup, aIsSerif)
   {
     const kFontNameFmtSerif         = "font.name.serif.%LANG%";
     const kFontNameFmtSansSerif     = "font.name.sans-serif.%LANG%";
     const kFontNameListFmtSerif     = "font.name-list.serif.%LANG%";
     const kFontNameListFmtSansSerif = "font.name-list.sans-serif.%LANG%";
     const kFontSizeFmtVariable      = "font.size.variable.%LANG%";
 
     var preferences = document.getElementById("contentPreferences");
@@ -223,17 +223,17 @@ var gContentPane = {
       }
     }
   },
 
   /**
    * Returns the type of the current default font for the language denoted by
    * aLanguageGroup.
    */
-  _readDefaultFontTypeForLanguage: function(aLanguageGroup)
+  _readDefaultFontTypeForLanguage(aLanguageGroup)
   {
     const kDefaultFontType = "font.default.%LANG%";
     var defaultFontTypePref = kDefaultFontType.replace(/%LANG%/, aLanguageGroup);
     var preference = document.getElementById(defaultFontTypePref);
     if (!preference) {
       preference = document.createElement("preference");
       preference.id = defaultFontTypePref;
       preference.setAttribute("name", defaultFontTypePref);
@@ -243,52 +243,52 @@ var gContentPane = {
     }
     return preference.value;
   },
 
   /**
    * Displays the fonts dialog, where web page font names and sizes can be
    * configured.
    */
-  configureFonts: function()
+  configureFonts()
   {
     gSubDialog.open("chrome://browser/content/preferences/fonts.xul", "resizable=no");
   },
 
   /**
    * Displays the colors dialog, where default web page/link/etc. colors can be
    * configured.
    */
-  configureColors: function()
+  configureColors()
   {
     gSubDialog.open("chrome://browser/content/preferences/colors.xul", "resizable=no");
   },
 
   // LANGUAGES
 
   /**
    * Shows a dialog in which the preferred language for web content may be set.
    */
-  showLanguages: function()
+  showLanguages()
   {
     gSubDialog.open("chrome://browser/content/preferences/languages.xul");
   },
 
   /**
    * Displays the translation exceptions dialog where specific site and language
    * translation preferences can be set.
    */
-  showTranslationExceptions: function()
+  showTranslationExceptions()
   {
     gSubDialog.open("chrome://browser/content/preferences/translation.xul");
   },
 
-  openTranslationProviderAttribution: function()
+  openTranslationProviderAttribution()
   {
     Components.utils.import("resource:///modules/translation/Translation.jsm");
     Translation.openProviderAttribution();
   },
 
-  toggleDoNotDisturbNotifications: function(event)
+  toggleDoNotDisturbNotifications(event)
   {
     AlertsServiceDND.manualDoNotDisturb = event.target.checked;
   },
 };