fix new tab regression

Change-Id: I788343c7df3c282d8f42aeac715ad54eacea77b9
diff --git a/src/com/android/browser/ActiveTabsPage.java b/src/com/android/browser/ActiveTabsPage.java
index 23b313a..52d943f 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.openTab(null, true, true, false);
+            mController.openIncognitoTab();
         }
         mController.removeActiveTabsPage(false);
     }