more on 170006 - default prefs for update checking

browser/app/profile/firefox.js

@@ -57,7 +57,19 @@ pref("app.version",
 
 pref("update.app.enabled", true);
 pref("update.extensions.enabled", true);
+// Automatically download and install updates to themes and extensions.
 pref("update.extensions.autoUpdate", false);
+pref("update.interval", 604800000); // every 7 days
+pref("update.lastUpdateDate", 0); // UTC offset when last update was performed. 
+
+// These prefs relate to the number and severity of updates available. This is a 
+// cache that the browser notification mechanism uses to determine if it should show
+// status bar UI if updates are detected and the app is shut down before installing
+// them.
+pref("update.updatesAvailable", false);
+// 0 = low (extension/theme updates), 1 = medium (app minor version), 2 = high (major version)
+pref("update.severity", 0); 
+pref("update.count", 0);
 
 pref("keyword.enabled", true);
 pref("keyword.URL", "http://www.google.com/search?btnI=I%27m+Feeling+Lucky&ie=UTF-8&oe=UTF-8&q=");

browser/components/prefwindow/content/pref-advanced.js

@@ -169,7 +169,6 @@ function checkForUpdates()
   // XXXben - check for "all types" and the app itself here. 
   var em = Components.classes["@mozilla.org/extension-manager;1"]
                       .getService(Components.interfaces.nsIExtensionManager);
-  openDialog("chrome://mozapps/content/extensions/update.xul", 
-              "", "chrome,modal", "extensions", em, null);
+  em.update([], 0, true);
 }