Fix for incognito Tab and url

- Prevents incognito tab from being opened from
  regular tab
- Hides the incognito url when opening incognito
  tab

Change-Id: I873f1ddf9ba99594d58a0984f19f3520a806ea1a
diff --git a/src/com/android/browser/Controller.java b/src/com/android/browser/Controller.java
index c3befc8..f4c5dc9 100644
--- a/src/com/android/browser/Controller.java
+++ b/src/com/android/browser/Controller.java
@@ -132,7 +132,7 @@
     private static final String LOGTAG = "Controller";
     private static final String SEND_APP_ID_EXTRA =
         "android.speech.extras.SEND_APPLICATION_ID_EXTRA";
-    private static final String INCOGNITO_URI = "chrome://incognito";
+    public static final String INCOGNITO_URI = "chrome://incognito";
     public static final String EXTRA_REQUEST_CODE = "_fake_request_code_";
     public static final String EXTRA_RESULT_CODE = "_fake_result_code_";