Implement DeviceLight

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 46 matching lines @@
 class WebAudioBus;
 class WebBatteryStatusListener;
 class WebBlobRegistry;
 class WebContentDecryptionModule;
 class WebClipboard;
 class WebCompositorSupport;
 class WebConvertableToTraceFormat;
 class WebCookieJar;
 class WebCrypto;
 class WebDatabaseObserver;
+class WebDeviceLightListener;
 class WebDeviceMotionListener;
 class WebDeviceOrientationListener;
 class WebDiscardableMemory;
 class WebFallbackThemeEngine;
 class WebFileSystem;
 class WebFileUtilities;
 class WebFlingAnimator;
 class WebGestureCurveTarget;
 class WebGestureCurve;
 class WebGraphicsContext3DProvider;
@@ skipping 530 matching lines @@
 
     virtual void didStartWorkerRunLoop(const WebWorkerRunLoop&) { }
     virtual void didStopWorkerRunLoop(const WebWorkerRunLoop&) { }
 
 
     // WebCrypto ----------------------------------------------------------
 
     virtual WebCrypto* crypto() { return 0; }
 
 
-    // Device Motion / Orientation ----------------------------------------
+    // Device Motion / Orientation / Light ----------------------------------------
 
     // Sets a Listener to listen for device motion data updates.
     // If null, the platform stops providing device motion data to the current listener.
     virtual void setDeviceMotionListener(blink::WebDeviceMotionListener*) { }
 
     // Sets a Listener to listen for device orientation data updates.
-    // If null, the platform stops proving device orientation data to the current listener.
+    // If null, the platform stops providing device orientation data to the current listener.
     virtual void setDeviceOrientationListener(blink::WebDeviceOrientationListener*) { }
 
+    // Sets a Listener to listen for device light data updates.
+    // If null, the platform stops providing device light data to the current listener.
+    virtual void setDeviceLightListener(blink::WebDeviceLightListener*) { }
+
+
     // Screen Orientation -------------------------------------------------
 
     virtual void setScreenOrientationListener(blink::WebScreenOrientationListener*) { }
     virtual void lockOrientation(WebScreenOrientationLockType) { }
     virtual void unlockOrientation() { }
 
 
     // Quota -----------------------------------------------------------
 
     // Queries the storage partition's storage usage and quota information.
@@ skipping 12 matching lines @@
     virtual WebDatabaseObserver* databaseObserver() { return 0; }
 
 
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif