[Android] On calling openNewTab, pass the disposition instead of incognito.

ui/base/window_open_disposition.h

Index: ui/base/window_open_disposition.h
diff --git a/ui/base/window_open_disposition.h b/ui/base/window_open_disposition.h
index 2f2edd362fceaad6c98a11b547a5b646c6595ed5..8d9662947f1d39f163bcd77869357551b4de81bd 100644
--- a/ui/base/window_open_disposition.h
+++ b/ui/base/window_open_disposition.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -8,18 +8,11 @@
 #include "ui/base/ui_export.h"
 
 enum WindowOpenDisposition {
-  UNKNOWN,
-  SUPPRESS_OPEN,
-  CURRENT_TAB,
-  // Indicates that only one tab with the url should exist in the same window.
-  SINGLETON_TAB,
-  NEW_FOREGROUND_TAB,
-  NEW_BACKGROUND_TAB,
-  NEW_POPUP,
-  NEW_WINDOW,
-  SAVE_TO_DISK,
-  OFF_THE_RECORD,
-  IGNORE_ACTION
+
+#define WINDOW_OPEN_DISPOSITION(label, value) label = value,
+#include "window_open_disposition_list.h"
+#undef WINDOW_OPEN_DISPOSITION
+
 };
 
 namespace ui {