Extract device_sensors to /device via Mojofication

device/device_sensors/ambient_light_mac.h

Index: device/device_sensors/ambient_light_mac.h
diff --git a/content/browser/device_sensors/ambient_light_mac.h b/device/device_sensors/ambient_light_mac.h
similarity index 79%
rename from content/browser/device_sensors/ambient_light_mac.h
rename to device/device_sensors/ambient_light_mac.h
index 8d34e165b80bc6c26da60dec1084fd0872c69352..96ddaaeaf9cfe5472b7a5e9a11ea910b7fe66d57 100644
--- a/content/browser/device_sensors/ambient_light_mac.h
+++ b/device/device_sensors/ambient_light_mac.h
@@ -2,14 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
-#define CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
+#ifndef DEVICE_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
+#define DEVICE_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
 
 #include <IOKit/IOKitLib.h>
 
 #include "base/memory/scoped_ptr.h"
 
-namespace content {
+namespace device {
 
 // Provides an interface to retrieve ambient light data from MacBooks.
 class AmbientLightSensor {
@@ -35,6 +35,6 @@ class AmbientLightSensor {
   DISALLOW_COPY_AND_ASSIGN(AmbientLightSensor);
 };
 
-}  // namespace content
+}  // namespace device
 
-#endif  // CONTENT_BROWSER_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_
+#endif  // DEVICE_DEVICE_SENSORS_AMBIENT_LIGHT_MAC_H_