Revert of Refactor DeviceMotionEventPump to use //device/generic_sensor instead of //device/sensors

Revert of Refactor DeviceMotionEventPump to use //device/generic_sensor instead of //device/sensors (patchset #13 id:240001 of https://codereview.chromium.org/2896583005/ )

Reason for revert:
Need to figure out some issues related to this CL on Android and Mac.

Original issue's description:
> Refactor DeviceMotionEventPump to use //device/generic_sensor instead of //device/sensors
> 
> //device/generic_sensors already has all the sensors that can be used
> to implement the DeviceOrientation event:
> https://w3c.github.io/deviceorientation/spec-source-orientation.html
> 
> Currently, //content/renderer/device_sensors uses sensors from
> //device/sensors as its backend, and this is one of the CLs that refactor
> //content/renderer/device_sensors to use sensors from
> //device/generic_sensor as the backend and removes //device/sensors.
> 
> This CL refactors DeviceMotionEvent to use sensors from //device/generic_sensor.
> 
> The issue page contains the design doc link for this change.
> 
> BUG=721427
> 
> Review-Url: https://codereview.chromium.org/2896583005
> Cr-Commit-Position: refs/heads/master@{#480934}
> Committed: https://chromium.googlesource.com/chromium/src/+/687e6a76c9d634404eb93643ab900596a77958fd

TBR=reillyg@chromium.org,timvolodine@chromium.org,jam@chromium.org,scheib@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=721427
Review-Url: https://codereview.chromium.org/2948253002
Cr-Commit-Position: refs/heads/master@{#481599}
Committed: https://chromium.googlesource.com/chromium/src/+/c7808a0bbdcae8ee38267ecebd008c9d501af057

[juncai, 2017-06-22 16:40:27]

The CQ bit was checked by juncai@chromium.org

[juncai, 2017-06-22 16:40:27]

Created Revert of Refactor DeviceMotionEventPump to use //device/generic_sensor
instead of //device/sensors

[commit-bot: I haz the power, 2017-06-22 16:40:49]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-22 17:59:24]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498149627168800, "parent_rev":
"72d26e0ef0c26fb81798a9b5c83d7c33f81ee8d8", "commit_rev":
"bedf100ce47958a8a0ff073720209680b1f2e3db"}

[commit-bot: I haz the power, 2017-06-22 17:59:39]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498149627168800, "parent_rev":
"002beb1467025c68b055d5a726e537adb5ded4d6", "commit_rev":
"c7808a0bbdcae8ee38267ecebd008c9d501af057"}

[commit-bot: I haz the power, 2017-06-22 17:59:54]

Description was changed from

==========
Revert of Refactor DeviceMotionEventPump to use //device/generic_sensor instead
of //device/sensors (patchset #13 id:240001 of
https://codereview.chromium.org/2896583005/ )

Reason for revert:
Need to figure out some issues related to this CL on Android and Mac.

Original issue's description:
> Refactor DeviceMotionEventPump to use //device/generic_sensor instead of
//device/sensors
> 
> //device/generic_sensors already has all the sensors that can be used
> to implement the DeviceOrientation event:
> https://w3c.github.io/deviceorientation/spec-source-orientation.html
> 
> Currently, //content/renderer/device_sensors uses sensors from
> //device/sensors as its backend, and this is one of the CLs that refactor
> //content/renderer/device_sensors to use sensors from
> //device/generic_sensor as the backend and removes //device/sensors.
> 
> This CL refactors DeviceMotionEvent to use sensors from
//device/generic_sensor.
> 
> The issue page contains the design doc link for this change.
> 
> BUG=721427
> 
> Review-Url: https://codereview.chromium.org/2896583005
> Cr-Commit-Position: refs/heads/master@{#480934}
> Committed:
https://chromium.googlesource.com/chromium/src/+/687e6a76c9d634404eb93643ab90...

TBR=reillyg@chromium.org,timvolodine@chromium.org,jam@chromium.org,scheib@chr...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=721427
==========

to

==========
Revert of Refactor DeviceMotionEventPump to use //device/generic_sensor instead
of //device/sensors (patchset #13 id:240001 of
https://codereview.chromium.org/2896583005/ )

Reason for revert:
Need to figure out some issues related to this CL on Android and Mac.

Original issue's description:
> Refactor DeviceMotionEventPump to use //device/generic_sensor instead of
//device/sensors
> 
> //device/generic_sensors already has all the sensors that can be used
> to implement the DeviceOrientation event:
> https://w3c.github.io/deviceorientation/spec-source-orientation.html
> 
> Currently, //content/renderer/device_sensors uses sensors from
> //device/sensors as its backend, and this is one of the CLs that refactor
> //content/renderer/device_sensors to use sensors from
> //device/generic_sensor as the backend and removes //device/sensors.
> 
> This CL refactors DeviceMotionEvent to use sensors from
//device/generic_sensor.
> 
> The issue page contains the design doc link for this change.
> 
> BUG=721427
> 
> Review-Url: https://codereview.chromium.org/2896583005
> Cr-Commit-Position: refs/heads/master@{#480934}
> Committed:
https://chromium.googlesource.com/chromium/src/+/687e6a76c9d634404eb93643ab90...

TBR=reillyg@chromium.org,timvolodine@chromium.org,jam@chromium.org,scheib@chr...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=721427

Review-Url: https://codereview.chromium.org/2948253002
Cr-Commit-Position: refs/heads/master@{#481599}
Committed:
https://chromium.googlesource.com/chromium/src/+/c7808a0bbdcae8ee38267ecebd00...
==========

[commit-bot: I haz the power, 2017-06-22 17:59:56]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/c7808a0bbdcae8ee38267ecebd00...