Implement DeviceLight

Source/web/WebRuntimeFeatures.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 61 matching lines @@
 void WebRuntimeFeatures::enableDeviceMotion(bool enable)
 {
     RuntimeEnabledFeatures::setDeviceMotionEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableDeviceOrientation(bool enable)
 {
     RuntimeEnabledFeatures::setDeviceOrientationEnabled(enable);
 }
 
+void WebRuntimeFeatures::enableDeviceLight(bool enable)
+{
+    RuntimeEnabledFeatures::setDeviceLightEnabled(enable);
+}
+
 void WebRuntimeFeatures::enableDialogElement(bool enable)
 {
     RuntimeEnabledFeatures::setDialogElementEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableEncryptedMedia(bool enable)
 {
     RuntimeEnabledFeatures::setEncryptedMediaEnabled(enable);
     // FIXME: Hack to allow MediaKeyError to be enabled for either version.
     RuntimeEnabledFeatures::setEncryptedMediaAnyVersionEnabled(
@@ skipping 206 matching lines @@
 {
     RuntimeEnabledFeatures::setExperimentalWebSocketEnabled(enable);
 }
 
 void WebRuntimeFeatures::enableTargetedStyleRecalc(bool enable)
 {
     RuntimeEnabledFeatures::setTargetedStyleRecalcEnabled(enable);
 }
 
 } // namespace blink