Fixed Shadow blur for transparent objects

Source/platform/graphics/filters/SkiaImageFilterBuilder.cpp

 /*
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #include "config.h"
 
 #include "platform/graphics/filters/SkiaImageFilterBuilder.h"
 
 #include "SkBlurImageFilter.h"
 #include "SkColorFilterImageFilter.h"
 #include "SkColorMatrixFilter.h"
-#include "SkDropShadowImageFilter.h"
 #include "SkMatrixImageFilter.h"
 #include "SkTableColorFilter.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/filters/FilterEffect.h"
 #include "platform/graphics/filters/FilterOperations.h"
 #include "platform/graphics/filters/SourceGraphic.h"
 #include "platform/graphics/skia/SkiaUtils.h"
 #include "public/platform/WebPoint.h"
 
 namespace blink {
@@ skipping 142 matching lines @@
         filters->appendReferenceFilter(filter.get());
     }
 }
 
 PassRefPtr<SkImageFilter> SkiaImageFilterBuilder::buildTransform(const AffineTransform& transform, SkImageFilter* input)
 {
     return adoptRef(SkMatrixImageFilter::Create(affineTransformToSkMatrix(transform), SkPaint::kHigh_FilterLevel, input));
 }
 
 } // namespace blink