Use event init dictionary in modules/device_light

Source/modules/modules.gypi

 {
   'includes': [
     '../core/core_generated.gypi',
     'modules_generated.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
@@ skipping 282 matching lines @@
       'speech/SpeechRecognitionError.idl',
       'speech/SpeechRecognitionEvent.idl',
       'speech/SpeechSynthesisEvent.idl',
       'webaudio/AudioProcessingEvent.idl',
       'webaudio/OfflineAudioCompletionEvent.idl',
       'webmidi/MIDIConnectionEvent.idl',
       'webmidi/MIDIMessageEvent.idl',
       'websockets/CloseEvent.idl',
     ],
     'modules_dictionary_idl_files': [
+      'device_light/DeviceLightEventInit.idl',
       'encoding/TextDecodeOptions.idl',
       'encoding/TextDecoderOptions.idl',
       'encryptedmedia/MediaEncryptedEventInit.idl',
       'encryptedmedia/MediaKeySystemConfiguration.idl',
       'encryptedmedia/MediaKeySystemMediaCapability.idl',
       'filesystem/FileSystemFlags.idl',
       'gamepad/GamepadEventInit.idl',
       'geofencing/CircularGeofencingRegionInit.idl',
       'geolocation/PositionOptions.idl',
       'indexeddb/IDBIndexParameters.idl',
@@ skipping 22 matching lines @@
       '<(blink_modules_output_dir)/EventModules.cpp',
       '<(blink_modules_output_dir)/EventModulesHeaders.h',
       '<(blink_modules_output_dir)/EventModulesNames.cpp',
       '<(blink_modules_output_dir)/EventModulesNames.h',
       '<(blink_modules_output_dir)/EventTargetModulesNames.cpp',
       '<(blink_modules_output_dir)/EventTargetModulesNames.h',
       '<(blink_modules_output_dir)/IndexedDBNames.cpp',
       '<(blink_modules_output_dir)/IndexedDBNames.h',
     ],
     'generated_modules_dictionary_files': [
+      '<(blink_modules_output_dir)/device_light/DeviceLightEventInit.cpp',
+      '<(blink_modules_output_dir)/device_light/DeviceLightEventInit.h',
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.cpp',
       '<(blink_modules_output_dir)/encoding/TextDecodeOptions.h',
       '<(blink_modules_output_dir)/encoding/TextDecoderOptions.cpp',
       '<(blink_modules_output_dir)/encoding/TextDecoderOptions.h',
       '<(blink_modules_output_dir)/encryptedmedia/MediaEncryptedEventInit.cpp',
       '<(blink_modules_output_dir)/encryptedmedia/MediaEncryptedEventInit.h',
       '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemConfiguration.cpp',
       '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemConfiguration.h',
       '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemMediaCapability.cpp',
       '<(blink_modules_output_dir)/encryptedmedia/MediaKeySystemMediaCapability.h',
@@ skipping 850 matching lines @@
       'serviceworkers/CacheTest.cpp',
       'serviceworkers/FetchResponseDataTest.cpp',
       'serviceworkers/RequestTest.cpp',
       'serviceworkers/ResponseTest.cpp',
       'serviceworkers/ServiceWorkerContainerTest.cpp',
       'websockets/DOMWebSocketTest.cpp',
       'websockets/DocumentWebSocketChannelTest.cpp',
     ],
   },
 }