Remove duplicated headers from core/

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

 /*
  * Copyright (C) 2008 Alex Mathews <possessedpenguinbob@gmail.com>
  * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 10 matching lines @@
 
 #include "config.h"
 
 #include "core/platform/graphics/filters/FETile.h"
 
 #include "SkFlattenableBuffers.h"
 #include "SkTileImageFilter.h"
 
 #include "core/platform/graphics/GraphicsContext.h"
 #include "core/platform/graphics/Pattern.h"
-#include "core/platform/graphics/filters/Filter.h"
 #include "core/platform/graphics/filters/SkiaImageFilterBuilder.h"
 #include "platform/text/TextStream.h"
 #include "platform/transforms/AffineTransform.h"
 #include "third_party/skia/include/core/SkDevice.h"
 
 namespace WebCore {
 
 FETile::FETile(Filter* filter)
     : FilterEffect(filter)
 {
@@ skipping 55 matching lines @@
     writeIndent(ts, indent);
     ts << "[feTile";
     FilterEffect::externalRepresentation(ts);
     ts << "]\n";
     inputEffect(0)->externalRepresentation(ts, indent + 1);
 
     return ts;
 }
 
 } // namespace WebCore