Remove DeviceLightEvent implementation

third_party/WebKit/public/platform/Platform.h

 /*
  * Copyright (C) 2012 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 22 matching lines @@
 
 #ifdef WIN32
 #include <windows.h>
 #endif
 
 #include "BlameContext.h"
 #include "UserMetricsAction.h"
 #include "WebAudioDevice.h"
 #include "WebCommon.h"
 #include "WebData.h"
-#include "WebDeviceLightListener.h"
 #include "WebFeaturePolicy.h"
 #include "WebGamepadListener.h"
 #include "WebGestureDevice.h"
 #include "WebLocalizedString.h"
 #include "WebMessagePortChannel.h"
 #include "WebPlatformEventType.h"
 #include "WebSize.h"
 #include "WebSpeechSynthesizer.h"
 #include "WebStorageQuotaCallbacks.h"
 #include "WebStorageQuotaType.h"
@@ skipping 552 matching lines @@
 
   virtual WebCrypto* Crypto() { return nullptr; }
 
   // Mojo ---------------------------------------------------------------
 
   virtual service_manager::Connector* GetConnector();
 
   virtual InterfaceProvider* GetInterfaceProvider();
 
   // Platform events -----------------------------------------------------
-  // Device Orientation, Device Motion, Device Light, Battery, Gamepad.
+  // Device Orientation, Device Motion, Battery, Gamepad.
 
   // Request the platform to start listening to the events of the specified
   // type and notify the given listener (if not null) when there is an update.
   virtual void StartListening(WebPlatformEventType type,
                               WebPlatformEventListener* listener) {}
 
   // Request the platform to stop listening to the specified event and no
   // longer notify the listener, if any.
   virtual void StopListening(WebPlatformEventType type) {}
 
@@ skipping 90 matching lines @@
  protected:
   Platform();
   virtual ~Platform() {}
 
   WebThread* main_thread_;
 };
 
 }  // namespace blink
 
 #endif