Implement DeviceLight

Source/modules/modules.gypi

 {
   'variables': {
     # Experimental hooks for embedder to provide extra IDL and source files.
     #
     # Note: this is not a supported API. If you rely on this, you will be broken
     # from time to time as the code generator changes in backward incompatible
     # ways.
     'extra_blink_module_idl_files': [],
     'extra_blink_module_files': [],
     # Files for which bindings (.cpp and .h files) will be generated
     'modules_idl_files': [
       '<@(extra_blink_module_idl_files)',
       'battery/BatteryManager.idl',
       'crypto/AesKeyAlgorithm.idl',
       'crypto/Crypto.idl',
       'crypto/HmacKeyAlgorithm.idl',
       'crypto/Key.idl',
       'crypto/KeyAlgorithm.idl',
       'crypto/KeyPair.idl',
       'crypto/RsaHashedKeyAlgorithm.idl',
       'crypto/RsaKeyAlgorithm.idl',
       'crypto/SubtleCrypto.idl',
       'crypto/WorkerCrypto.idl',
+      'device_light/DeviceLightEvent.idl',
       'device_orientation/DeviceAcceleration.idl',
       'device_orientation/DeviceMotionEvent.idl',
       'device_orientation/DeviceOrientationEvent.idl',
       'device_orientation/DeviceRotationRate.idl',
       'encoding/TextDecoder.idl',
       'encoding/TextEncoder.idl',
       'encryptedmedia/MediaKeyMessageEvent.idl',
       'encryptedmedia/MediaKeyNeededEvent.idl',
       'encryptedmedia/MediaKeySession.idl',
       'encryptedmedia/MediaKeys.idl',
@@ skipping 149 matching lines @@
       'webmidi/MIDIPort.idl',
       'webmidi/MIDISuccessCallback.idl',
       'websockets/CloseEvent.idl',
       'websockets/WebSocket.idl',
     ],
     # 'partial interface' or target (right side of) 'implements'
     'modules_dependency_idl_files': [
       'battery/NavigatorBattery.idl',
       'crypto/WindowCrypto.idl',
       'crypto/WorkerGlobalScopeCrypto.idl',
+      'device_light/WindowDeviceLight.idl',
       'device_orientation/WindowDeviceMotion.idl',
       'device_orientation/WindowDeviceOrientation.idl',
       'donottrack/NavigatorDoNotTrack.idl',
       'encryptedmedia/HTMLMediaElementEncryptedMedia.idl',
       'filesystem/DataTransferItemFileSystem.idl',
       'filesystem/HTMLInputElementFileSystem.idl',
       'filesystem/InspectorFrontendHostFileSystem.idl',
       'filesystem/WindowFileSystem.idl',
       'filesystem/WorkerGlobalScopeFileSystem.idl',
       'gamepad/NavigatorGamepad.idl',
@@ skipping 50 matching lines @@
       'crypto/KeyPair.cpp',
       'crypto/KeyPair.h',
       'crypto/NormalizeAlgorithm.cpp',
       'crypto/NormalizeAlgorithm.h',
       'crypto/SubtleCrypto.cpp',
       'crypto/SubtleCrypto.h',
       'crypto/WorkerCrypto.cpp',
       'crypto/WorkerCrypto.h',
       'crypto/WorkerGlobalScopeCrypto.cpp',
       'crypto/WorkerGlobalScopeCrypto.h',
+      'device_light/DeviceLightController.h',
+      'device_light/DeviceLightController.cpp',
+      'device_light/DeviceLightEvent.cpp',
+      'device_light/DeviceLightEvent.h',
+      'device_light/DeviceLightDispatcher.cpp',
+      'device_light/DeviceLightDispatcher.h',
       'device_orientation/DeviceAcceleration.cpp',
       'device_orientation/DeviceAcceleration.h',
       'device_orientation/DeviceMotionController.cpp',
       'device_orientation/DeviceMotionController.h',
       'device_orientation/DeviceMotionData.cpp',
       'device_orientation/DeviceMotionData.h',
       'device_orientation/DeviceMotionDispatcher.cpp',
       'device_orientation/DeviceMotionDispatcher.h',
       'device_orientation/DeviceMotionEvent.cpp',
       'device_orientation/DeviceMotionEvent.h',
@@ skipping 602 matching lines @@
       'indexeddb/IDBKeyPathTest.cpp',
       'indexeddb/IDBRequestTest.cpp',
       'indexeddb/IDBTransactionTest.cpp',
       'websockets/WebSocketDeflaterTest.cpp',
       'websockets/WebSocketExtensionDispatcherTest.cpp',
       'websockets/WebSocketExtensionParserTest.cpp',
       'websockets/WebSocketPerMessageDeflateTest.cpp',
     ],
   },
 }