The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8cb0391a72f48daf3680340a5dac9bc7302252a4

commit 8cb0391a72f48daf3680340a5dac9bc7302252a4
Author: timvolodine <timvolodine@chromium.org>
Date: Thu Mar 16 15:58:26 2017

Ensure complete end-to-end browsertest coverage for absolute device orientation.

Add end-to-end browser tests for the 'deviceorientationabsolute' event
to have full event coverage in device_sensors/.

BUG= 702170 

Review-Url: https://codereview.chromium.org/2744243006
Cr-Commit-Position: refs/heads/master@{#457449}

[modify] https://crrev.com/8cb0391a72f48daf3680340a5dac9bc7302252a4/content/browser/device_sensors/device_sensor_browsertest.cc
[add] https://crrev.com/8cb0391a72f48daf3680340a5dac9bc7302252a4/content/test/data/device_sensors/device_orientation_absolute_null_test.html
[add] https://crrev.com/8cb0391a72f48daf3680340a5dac9bc7302252a4/content/test/data/device_sensors/device_orientation_absolute_test.html