refactor open tab code

Change-Id: Ibcffa5a55b2b7dcf56174f9dd916a565b31506e9
diff --git a/src/com/android/browser/ActiveTabsPage.java b/src/com/android/browser/ActiveTabsPage.java
index 52d943f..23b313a 100644
--- a/src/com/android/browser/ActiveTabsPage.java
+++ b/src/com/android/browser/ActiveTabsPage.java
@@ -75,7 +75,7 @@
         if (v == mNewTab) {
             mController.openTabToHomePage();
         } else if (v == mNewIncognitoTab) {
-            mController.openIncognitoTab();
+            mController.openTab(null, true, true, false);
         }
         mController.removeActiveTabsPage(false);
     }