Implement DeviceLight

Source/modules/device_light/DOMWindowDeviceLight.h

Index: Source/modules/device_light/DOMWindowDeviceLight.h
diff --git a/Source/modules/device_orientation/DOMWindowDeviceMotion.h b/Source/modules/device_light/DOMWindowDeviceLight.h
similarity index 57%
copy from Source/modules/device_orientation/DOMWindowDeviceMotion.h
copy to Source/modules/device_light/DOMWindowDeviceLight.h
index e9b96f5bb9c11643437f5f333814a0658b0d8172..bee6f06d0de6ece9bfcec3263322613942556995 100644
--- a/Source/modules/device_orientation/DOMWindowDeviceMotion.h
+++ b/Source/modules/device_light/DOMWindowDeviceLight.h
@@ -2,18 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef DOMWindowDeviceMotion_h
-#define DOMWindowDeviceMotion_h
+#ifndef DOMWindowDeviceLight_h
+#define DOMWindowDeviceLight_h
 
 #include "core/events/EventTarget.h"
 
 namespace WebCore {
-
-class DOMWindowDeviceMotion {
+class DOMWindowDeviceLight {
 public:
-    DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(devicemotion);
+    DEFINE_STATIC_ATTRIBUTE_EVENT_LISTENER(devicelight);
 };
-
 } // namespace WebCore
-
-#endif // DOMWindowDeviceMotion_h
+#endif // DOMWindowDeviceLight_h