refactor open tab code

Change-Id: Ibcffa5a55b2b7dcf56174f9dd916a565b31506e9
diff --git a/src/com/android/browser/UrlHandler.java b/src/com/android/browser/UrlHandler.java
index fbbc3cf..c76eee8 100644
--- a/src/com/android/browser/UrlHandler.java
+++ b/src/com/android/browser/UrlHandler.java
@@ -214,7 +214,9 @@
     // depressed by opening in a new tab
     boolean handleMenuClick(Tab tab, String url) {
         if (mController.isMenuDown()) {
-            mController.openTab(tab, url, false);
+            mController.openTab(url,
+                    (tab != null) && tab.isPrivateBrowsingEnabled(),
+                    !BrowserSettings.getInstance().openInBackground(), true);
             mActivity.closeOptionsMenu();
             return true;
         }