Bug 1583920 - Restore removed WebIDE l10n variables for use in SeaMonkey 2.57. rs=frg

suite/locales/en-US/chrome/browser/webDeveloper.dtd

@@ -54,6 +54,11 @@
 <!ENTITY devToolbarMenu.label                "Developer Toolbar">
 <!ENTITY devToolbarMenu.accesskey            "D">
 
+<!ENTITY webide.label                        "WebIDE">
+<!ENTITY webide.accesskey                    "W">
+<!ENTITY webide.keycode                      "VK_F8">
+<!ENTITY webide.keytext                      "F8">
+
 <!ENTITY devToolbar.keycode                  "VK_F2">
 <!ENTITY devToolbar.keytext                  "F2">