Remove duplicated headers from core/

Source/core/platform/graphics/filters/FELighting.cpp

 /*
  * Copyright (C) 2010 University of Szeged
  * Copyright (C) 2010 Zoltan Herczeg
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 16 matching lines @@
 
 #include "config.h"
 
 #include "core/platform/graphics/filters/FELighting.h"
 
 #include "core/platform/graphics/cpu/arm/filters/FELightingNEON.h"
 #include "core/platform/graphics/filters/ParallelJobs.h"
 
 #include "SkLightingImageFilter.h"
 #include "core/platform/graphics/filters/DistantLightSource.h"
-#include "core/platform/graphics/filters/PointLightSource.h"
 #include "core/platform/graphics/filters/SkiaImageFilterBuilder.h"
-#include "core/platform/graphics/filters/SpotLightSource.h"
 #include "core/platform/graphics/skia/NativeImageSkia.h"
 
 namespace WebCore {
 
 FELighting::FELighting(Filter* filter, LightingType lightingType, const Color& lightingColor, float surfaceScale,
     float diffuseConstant, float specularConstant, float specularExponent,
     float kernelUnitLengthX, float kernelUnitLengthY, PassRefPtr<LightSource> lightSource)
     : FilterEffect(filter)
     , m_lightingType(lightingType)
     , m_lightSource(lightSource)
@@ skipping 433 matching lines @@
     GraphicsContext* dstContext = resultImage->context();
 
     SkPaint paint;
     RefPtr<SkImageFilter> filter = createImageFilter(0);
     paint.setImageFilter(filter.get());
     dstContext->drawBitmap(nativeImage->bitmap(), drawingRegion.location().x(), drawingRegion.location().y(), &paint);
     return true;
 }
 
 } // namespace WebCore