incognito mode added for large screens

Change-Id: I8a3b479acc50c7e658e5d24e83ccf9256f4bf592
diff --git a/src/com/android/browser/BrowserActivity.java b/src/com/android/browser/BrowserActivity.java
index 50f4189..54fb96f 100644
--- a/src/com/android/browser/BrowserActivity.java
+++ b/src/com/android/browser/BrowserActivity.java
@@ -1379,6 +1379,10 @@
                 openTabToHomePage();
                 break;
 
+            case R.id.incognito_menu_id:
+                openIncognitoTab();
+                break;
+
             case R.id.goto_menu_id:
                 editUrl();
                 break;