Add a mozstorage-based FormHistory implementation, with an importer that uses the MorkReader class. Stop building Mork if building Places. Bug 324170, r=brettw, bsmedberg.

browser/modules/Sanitizer.jsm

@@ -160,7 +160,7 @@ Sanitizer.prototype = {
       {
         var formHistory = Components.classes["@mozilla.org/satchel/form-history;1"]
                                     .getService(Components.interfaces.nsIFormHistory);
-        return formHistory.rowCount != 0;
+        return formHistory.hasEntries;
       }
     },