The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2ef45ff9caf531d43a366186a7c80d7307d91252

commit 2ef45ff9caf531d43a366186a7c80d7307d91252
Author: juncai <juncai@chromium.org>
Date: Wed Aug 24 01:33:57 2016

Add unit test for UsbChooserController

This CL adds some unit tests for code that deals with displaying USB
devices that have the same name on the chooser.

BUG= 637402 

Review-Url: https://codereview.chromium.org/2269993004
Cr-Commit-Position: refs/heads/master@{#413929}

[add] https://crrev.com/2ef45ff9caf531d43a366186a7c80d7307d91252/chrome/browser/usb/usb_chooser_controller_unittest.cc
[modify] https://crrev.com/2ef45ff9caf531d43a366186a7c80d7307d91252/chrome/chrome_tests_unit.gypi
[modify] https://crrev.com/2ef45ff9caf531d43a366186a7c80d7307d91252/device/usb/mock_usb_device.h

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3c1b74d2cec9fc150eef16be9ddfc122e656bba0

commit 3c1b74d2cec9fc150eef16be9ddfc122e656bba0
Author: juncai <juncai@chromium.org>
Date: Sat Aug 27 11:00:19 2016

Update UsbChooserController unit test

This CL added a MockUsbChooserView to test the UsbChooserController.

BUG= 637402 

Review-Url: https://codereview.chromium.org/2284033002
Cr-Commit-Position: refs/heads/master@{#414915}

[modify] https://crrev.com/3c1b74d2cec9fc150eef16be9ddfc122e656bba0/chrome/browser/usb/usb_chooser_controller_unittest.cc