[sensors] [mac] Implement ambient light sensor for macOS

device/generic_sensor/ambient_light_mac.cc

Index: device/generic_sensor/ambient_light_mac.cc
diff --git a/content/browser/device_sensors/ambient_light_mac.cc b/device/generic_sensor/ambient_light_mac.cc
similarity index 95%
rename from content/browser/device_sensors/ambient_light_mac.cc
rename to device/generic_sensor/ambient_light_mac.cc
index c6606791bd35ef399d186bc46e84c336f61f51a4..0d38b03e6180021099dcf2404909b6abb22835d8 100644
--- a/content/browser/device_sensors/ambient_light_mac.cc
+++ b/device/generic_sensor/ambient_light_mac.cc
@@ -4,14 +4,14 @@
 
 // This file is based on http://osxbook.com/book/bonus/chapter10/light/
 
-#include "content/browser/device_sensors/ambient_light_mac.h"
+#include "device/generic_sensor/ambient_light_mac.h"
 
 #include <utility>
 
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/scoped_ioobject.h"
 
-namespace content {
+namespace device {
 
 namespace {
 enum LmuFunctionIndex {
@@ -33,8 +33,7 @@ AmbientLightSensor::~AmbientLightSensor() {
     IOServiceClose(io_connection_);
 }
 
-AmbientLightSensor::AmbientLightSensor() : io_connection_(IO_OBJECT_NULL) {
-}
+AmbientLightSensor::AmbientLightSensor() : io_connection_(IO_OBJECT_NULL) {}
 
 bool AmbientLightSensor::Init() {
   // Tested and verified by riju that the following call works on
@@ -77,4 +76,4 @@ bool AmbientLightSensor::ReadSensorValue(uint64_t lux_values[2]) {
   return kr == KERN_SUCCESS;
 }
 
-}  // namespace content
+}  // namespace device