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

ui/base/window_open_disposition_list.h

Index: ui/base/window_open_disposition_list.h
diff --git a/ui/base/window_open_disposition_list.h b/ui/base/window_open_disposition_list.h
new file mode 100644
index 0000000000000000000000000000000000000000..f7676f118e30e2470a04032d1d026a7cbe742e53
--- /dev/null
+++ b/ui/base/window_open_disposition_list.h
@@ -0,0 +1,19 @@
+// Copyright 2013 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.
+
+// Intentionally no include guards because this file is meant to be included
+// inside a macro to generate enum values.
+
+WINDOW_OPEN_DISPOSITION(UNKNOWN, 0)
+WINDOW_OPEN_DISPOSITION(SUPPRESS_OPEN, 1)
+WINDOW_OPEN_DISPOSITION(CURRENT_TAB, 2)
+// Indicates that only one tab with the url should exist in the same window.
+WINDOW_OPEN_DISPOSITION(SINGLETON_TAB, 3)
+WINDOW_OPEN_DISPOSITION(NEW_FOREGROUND_TAB, 4)
+WINDOW_OPEN_DISPOSITION(NEW_BACKGROUND_TAB, 5)
+WINDOW_OPEN_DISPOSITION(NEW_POPUP, 6)
+WINDOW_OPEN_DISPOSITION(NEW_WINDOW, 7)
+WINDOW_OPEN_DISPOSITION(SAVE_TO_DISK, 8)
+WINDOW_OPEN_DISPOSITION(OFF_THE_RECORD, 9)
+WINDOW_OPEN_DISPOSITION(IGNORE_ACTION, 10)