The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/976473cc485cc3694eec6f3518d8dbd55513f10b

commit 976473cc485cc3694eec6f3518d8dbd55513f10b
Author: juncai <juncai@chromium.org>
Date: Wed Sep 28 17:57:36 2016

Disable "Pair" button when selected item is disabled/removed for chooser on Android

For chooser on Android, when user selects an item and then the item is
disabled or removed, the "Pair" button should be disabled. This CL added
code to fix it.

BUG= 639057 

Review-Url: https://codereview.chromium.org/2378433002
Cr-Commit-Position: refs/heads/master@{#421564}

[modify] https://crrev.com/976473cc485cc3694eec6f3518d8dbd55513f10b/chrome/android/java/src/org/chromium/chrome/browser/ItemChooserDialog.java
[modify] https://crrev.com/976473cc485cc3694eec6f3518d8dbd55513f10b/chrome/android/javatests/src/org/chromium/chrome/browser/ItemChooserDialogTest.java