Implement DeviceMotionEvent API

content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc

Index: content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc
diff --git a/content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc b/content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc
index 6dc0336e7a509eda48d0432ca73581006aa73379..2bfbf77c496cf9612832e19756859ec657fa7868 100644
--- a/content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc
+++ b/content/browser/device_sensors/data_fetcher_shared_memory_chromeos.cc
@@ -21,9 +21,9 @@ bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) {
 
   switch (consumer_type) {
     case CONSUMER_TYPE_MOTION:
-      // TODO(jonross): Implement Device Motion API. (crbug.com/427662)
-      NOTIMPLEMENTED();
-      return false;
+      sensor_manager_->StartFetchingDeviceMotionData(
+          static_cast<DeviceMotionHardwareBuffer*>(buffer));
+      return true;
     case CONSUMER_TYPE_ORIENTATION:
       return sensor_manager_->StartFetchingDeviceOrientationData(
           static_cast<DeviceOrientationHardwareBuffer*>(buffer));

[flackr, 2015/02/25 23:15:17]

nit: same applies here right? StartFetchingDeviceOrientationData also only
returns true.

[jonross, 2015/03/02 15:18:10]

Done.

@@ -38,8 +38,7 @@ bool DataFetcherSharedMemory::Start(ConsumerType consumer_type, void* buffer) {
 bool DataFetcherSharedMemory::Stop(ConsumerType consumer_type) {
   switch (consumer_type) {
     case CONSUMER_TYPE_MOTION:
-      NOTIMPLEMENTED();
-      return false;
+      return sensor_manager_->StopFetchingDeviceMotionData();
     case CONSUMER_TYPE_ORIENTATION:
       return sensor_manager_->StopFetchingDeviceOrientationData();
     case CONSUMER_TYPE_LIGHT: