Implement DeviceLight

Source/modules/modules.gypi

Index: Source/modules/modules.gypi
diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi
index be6a04be2428864df2d825de9f1185c2145757ec..f36700a7566b21fdefff09729ac9f6199288ad87 100644
--- a/Source/modules/modules.gypi
+++ b/Source/modules/modules.gypi
@@ -20,6 +20,7 @@
       'crypto/RsaHashedKeyAlgorithm.idl',
       'crypto/RsaKeyAlgorithm.idl',
       'crypto/SubtleCrypto.idl',
+      'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceAcceleration.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
@@ -190,6 +191,7 @@
       'battery/NavigatorBattery.idl',
       'crypto/WindowCrypto.idl',
       'crypto/WorkerGlobalScopeCrypto.idl',
+      'device_light/WindowDeviceLight.idl',
       'device_orientation/WindowDeviceMotion.idl',
       'device_orientation/WindowDeviceOrientation.idl',
       'donottrack/NavigatorDoNotTrack.idl',
@@ -229,6 +231,7 @@
     ],
     # interfaces that inherit from Event
     'modules_event_idl_files': [
+      'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
       'encryptedmedia/MediaKeyMessageEvent.idl',
@@ -288,6 +291,12 @@
       'crypto/SubtleCrypto.h',
       'crypto/WorkerGlobalScopeCrypto.cpp',
       'crypto/WorkerGlobalScopeCrypto.h',
+      'device_light/DeviceLightController.cpp',
+      'device_light/DeviceLightController.h',
+      'device_light/DeviceLightDispatcher.cpp',
+      'device_light/DeviceLightDispatcher.h',
+      'device_light/DeviceLightEvent.cpp',
+      'device_light/DeviceLightEvent.h',
       'device_orientation/DeviceAcceleration.cpp',
       'device_orientation/DeviceAcceleration.h',
       'device_orientation/DeviceMotionController.cpp',