Remove duplicated headers from core/

Source/core/platform/graphics/Pattern.cpp

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2008 Eric Seidel <eric@webkit.org>
  * 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 13 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 "core/platform/graphics/Pattern.h"
 
 #include <v8.h>
 #include "SkCanvas.h"
 #include "SkColorShader.h"
-#include "SkShader.h"
-#include "core/platform/graphics/Image.h"
 #include "core/platform/graphics/skia/SkiaUtils.h"
 
 namespace WebCore {
 
 Pattern::Pattern(PassRefPtr<Image> image, bool repeatX, bool repeatY)
     : m_repeatX(repeatX)
     , m_repeatY(repeatY)
     , m_externalMemoryAllocated(0)
 {
     if (image) {
@@ skipping 49 matching lines @@
 }
 
 void Pattern::setPatternSpaceTransform(const AffineTransform& patternSpaceTransformation)
 {
     m_patternSpaceTransformation = patternSpaceTransformation;
     if (m_pattern)
         m_pattern->setLocalMatrix(affineTransformToSkMatrix(m_patternSpaceTransformation));
 }
 
 }