Localisation fix for bug 408115, late-late-l10n. r=mano, a=shaver

toolkit/locales/en-US/chrome/mozapps/extensions/extensions.properties

@@ -1,7 +1,3 @@
-# LOCALIZATION NOTE: Semi-colon list of plural forms.
-# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
-addonsPlural=add-on;add-ons
-
 aboutWindowTitle=About %S
 aboutWindowCloseButton=Close
 aboutWindowVersionString=version %S
@@ -98,7 +94,9 @@ updateAvailableMsg=Version %S is available.
 
 xpinstallDisabledMsgLocked=Software installation has been disabled by your system administrator.
 xpinstallDisabledMsg=Software installation is currently disabled. Click Enable and try again.
-newAddonsNotificationMsg=%S new %S installed.
+# LOCALIZATION NOTE: Semi-colon list of plural forms.
+# See: http://developer.mozilla.org/en/docs/Localization_and_Plurals
+newAddonsNotificationMsg2=%S new add-on has been installed.;%S new add-ons have been installed.
 safeModeMsg=All add-ons have been disabled by safe mode.
 disabledCompatMsg=Add-on compatibility checking is disabled. You may have incompatible add-ons.
 disabledUpdateSecurityMsg=Add-on update security checking is disabled. You may be compromised by updates.

toolkit/mozapps/extensions/content/extensions.js

@@ -1118,9 +1118,9 @@ function Startup()
       }
       else if (window.arguments.length == 2) {
         gNewAddons = window.arguments[1].split(",");
-        var addonsTerm = PluralForm.get(gNewAddons.length, getExtensionString("addonsPlural"));
+        var installMsg = PluralForm.get(gNewAddons.length, getExtensionString("newAddonsNotificationMsg2"));
-        showMessage("chrome://mozapps/skin/extensions/question.png",
+        installMsg = installMsg.replace("%S", gNewAddons.length);
-                    getExtensionString("newAddonsNotificationMsg", [gNewAddons.length, addonsTerm]),
+        showMessage("chrome://mozapps/skin/extensions/question.png", installMsg,
                     null, null, true, null);
         var extensionCount = 0;
         var themeCount = 0;