Remove duplicated headers from core/

Source/core/platform/image-decoders/ImageDecoder.cpp

 /*
  * Copyright (C) Research In Motion Limited 2009-2010. 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.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Library General Public License for more details.
  *
  *  You should have received a copy of the GNU Library General Public License
  *  along with this library; see the file COPYING.LIB.  If not, write to
  *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  *  Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/platform/image-decoders/ImageDecoder.h"
 
-#include "platform/SharedBuffer.h"
 #include "core/platform/image-decoders/bmp/BMPImageDecoder.h"
 #include "core/platform/image-decoders/gif/GIFImageDecoder.h"
 #include "core/platform/image-decoders/ico/ICOImageDecoder.h"
 #include "core/platform/image-decoders/jpeg/JPEGImageDecoder.h"
 #include "core/platform/image-decoders/png/PNGImageDecoder.h"
 #include "core/platform/image-decoders/webp/WEBPImageDecoder.h"
-#include "public/platform/Platform.h"
 #include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 static unsigned copyFromSharedBuffer(char* buffer, unsigned bufferLength, const SharedBuffer& sharedBuffer, unsigned offset)
 {
     unsigned bytesExtracted = 0;
     const char* moreData;
     while (unsigned moreDataLength = sharedBuffer.getSomeData(moreData, offset)) {
         unsigned bytesToCopy = std::min(bufferLength - bytesExtracted, moreDataLength);
@@ skipping 152 matching lines @@
         // Otherwise, the previous frame contributes to this frame.
         return (prevBuffer->originalFrameRect().contains(IntRect(IntPoint(), size()))
             || (prevBuffer->requiredPreviousFrameIndex() == kNotFound)) ? kNotFound : prevFrame;
     default:
         ASSERT_NOT_REACHED();
         return kNotFound;
     }
 }
 
 } // namespace WebCore