Reland: Refactor DeviceMotionEventPump to use //device/generic_sensor instead of //device/sensors

services/device/device_service.cc

Index: services/device/device_service.cc
diff --git a/services/device/device_service.cc b/services/device/device_service.cc
index f43c3ca2eac6702aff1b69b40ba442a305fe5c99..3051af7b26793f52fdd72514b4693c602d2b6a9f 100644
--- a/services/device/device_service.cc
+++ b/services/device/device_service.cc
@@ -91,8 +91,6 @@ DeviceService::~DeviceService() {
 void DeviceService::OnStart() {
   registry_.AddInterface<mojom::Fingerprint>(base::Bind(
       &DeviceService::BindFingerprintRequest, base::Unretained(this)));
-  registry_.AddInterface<mojom::MotionSensor>(base::Bind(
-      &DeviceService::BindMotionSensorRequest, base::Unretained(this)));
   registry_.AddInterface<mojom::OrientationSensor>(base::Bind(
       &DeviceService::BindOrientationSensorRequest, base::Unretained(this)));
   registry_.AddInterface<mojom::OrientationAbsoluteSensor>(
@@ -166,23 +164,6 @@ void DeviceService::BindFingerprintRequest(
   Fingerprint::Create(std::move(request));
 }
 
-void DeviceService::BindMotionSensorRequest(
-    const service_manager::BindSourceInfo& source_info,
-    mojom::MotionSensorRequest request) {
-#if defined(OS_ANDROID)
-  // On Android the device sensors implementations need to run on the UI thread
-  // to communicate to Java.
-  DeviceMotionHost::Create(std::move(request));
-#else
-  // On platforms other than Android the device sensors implementations run on
-  // the IO thread.
-  if (io_task_runner_) {
-    io_task_runner_->PostTask(FROM_HERE, base::Bind(&DeviceMotionHost::Create,
-                                                    base::Passed(&request)));
-  }
-#endif  // defined(OS_ANDROID)
-}
-
 void DeviceService::BindOrientationSensorRequest(
     const service_manager::BindSourceInfo& source_info,
     mojom::OrientationSensorRequest request) {