Remove lots of dead web/ classes.

sky/engine/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 "WebCommon.h"
 #include "WebData.h"
 #include "WebGestureDevice.h"
 #include "WebGraphicsContext3D.h"
 #include "WebLocalizedString.h"
-#include "WebPlatformEventType.h"
 #include "WebString.h"
 #include "WebURLError.h"
 #include "WebVector.h"
 
 class GrContext;
 
 namespace base {
 class SingleThreadTaskRunner;
 }
 
 namespace mojo {
 class NetworkService;
 }
 
 namespace blink {
 
 class WebBlobRegistry;
 class WebClipboard;
 class WebCompositorSupport;
 class WebConvertableToTraceFormat;
 class WebDiscardableMemory;
-class WebPlatformEventListener;
 class WebFallbackThemeEngine;
 class WebFlingAnimator;
 class WebGestureCurveTarget;
 class WebGestureCurve;
 class WebGraphicsContext3DProvider;
 class WebMimeRegistry;
 class WebSandboxSupport;
 class WebScrollbarBehavior;
 struct WebFloatPoint;
 class WebThemeEngine;
@@ skipping 310 matching lines @@
     virtual bool isThreadedCompositingEnabled() { return false; }
 
     virtual WebCompositorSupport* compositorSupport() { return 0; }
 
     virtual WebFlingAnimator* createFlingAnimator() { return 0; }
 
     // Creates a new fling animation curve instance for device |deviceSource|
     // with |velocity| and already scrolled |cumulativeScroll| pixels.
     virtual WebGestureCurve* createFlingAnimationCurve(WebGestureDevice deviceSource, const WebFloatPoint& velocity, const WebSize& cumulativeScroll) { return 0; }
 
-
-    // Platform events -----------------------------------------------------
-    // Device Orientation, Device Motion, Device Light, 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) { }
-
 protected:
     virtual ~Platform() { }
 };
 
 } // namespace blink
 
 #endif