Remove ~1750 superfluous includes from core

Source/core/platform/graphics/chromium/LazyDecodingPixelRef.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 12 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/platform/graphics/chromium/LazyDecodingPixelRef.h"
 
 #include "SkData.h"
 #include "core/platform/chromium/TraceEvent.h"
 #include "core/platform/graphics/chromium/ImageDecodingStore.h"
 #include "core/platform/graphics/chromium/ImageFrameGenerator.h"
-#include "core/platform/image-decoders/ImageDecoder.h"
 #include <wtf/MainThread.h>
 
 namespace WebCore {
 
 LazyDecodingPixelRef::LazyDecodingPixelRef(PassRefPtr<ImageFrameGenerator> frameGenerator, const SkISize& scaledSize, const SkIRect& scaledSubset)
     : m_frameGenerator(frameGenerator)
     , m_scaledSize(scaledSize)
     , m_scaledSubset(scaledSubset)
     , m_lockedCachedImage(0)
 {
@@ skipping 82 matching lines @@
 }
 
 void LazyDecodingPixelRef::Decode()
 {
     lockPixels();
     unlockPixels();
 }
 
 
 } // namespace WebKit