Fixing 315976. Also adding form history and cookies to privacy clearing

minimo/chrome/content/minimo.js

@@ -705,8 +705,13 @@ function URLBarEntered()
 {
   try
   {
+    if (!gURLBar)
+      return;
+
     var url = gURLBar.value;
-    
+    if (gURLBar.value == "" || gURLBar.value == null)
+      return;
+
     var fixedUpURI = gURIFixup.createFixupURI(url, 2 /*fixup url*/ );
     gGlobalHistory.markPageAsTyped(fixedUpURI);
     

minimo/chrome/content/preferences/preferences.js

@@ -47,17 +47,42 @@ function writeProxyPref()
 
 function sanitizeAll()
 {
+
+    // Cookies
+    try 
+    {
+        var cookieMgr = Components.classes["@mozilla.org/cookiemanager;1"]
+                                  .getService(Components.interfaces.nsICookieManager);
+        cookieMgr.removeAll()
+    } catch (e) { }    
+
+
+    // Form Data
+    try 
+    {
+        var formHistory = Components.classes["@mozilla.org/satchel/form-history;1"]
+                                    .getService(Components.interfaces.nsIFormHistory);
+        formHistory.removeAllEntries();
+    } catch (e) { }
+
     // Cache 
-    var classID = Components.classes["@mozilla.org/network/cache-service;1"];
-    var cacheService = classID.getService(Components.interfaces.nsICacheService);
-    cacheService.evictEntries(Components.interfaces.nsICache.STORE_IN_MEMORY);
-    cacheService.evictEntries(Components.interfaces.nsICache.STORE_ON_DISK);
+    try 
+    {
+        var classID = Components.classes["@mozilla.org/network/cache-service;1"];
+        var cacheService = classID.getService(Components.interfaces.nsICacheService);
+        cacheService.evictEntries(Components.interfaces.nsICache.STORE_IN_MEMORY);
+        cacheService.evictEntries(Components.interfaces.nsICache.STORE_ON_DISK);
+    } catch (e) { }
     
     // Autocomplete
-    var globalHistory = Components.classes["@mozilla.org/browser/global-history;2"]
-                                  .getService(Components.interfaces.nsIBrowserHistory);
-    globalHistory.removeAllPages();
+    try 
+    {
+        var globalHistory = Components.classes["@mozilla.org/browser/global-history;2"]
+                                      .getService(Components.interfaces.nsIBrowserHistory);
+        globalHistory.removeAllPages();
+    } catch (e) { }
          
+    // Session History
     try 
     {
        var os = Components.classes["@mozilla.org/observer-service;1"]