Remove image decoder down sampling

Source/core/platform/graphics/ImageSource.cpp

 /*
  * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2007 Alp Toker <alp.toker@collabora.co.uk>
  * Copyright (C) 2008, Google Inc. All rights reserved.
- * Copyright (C) 2007-2009 Torch Mobile, Inc
  *
  * 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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
@@ skipping 16 matching lines @@
 #include "core/platform/image-decoders/ImageDecoder.h"
 
 #include "core/platform/NotImplemented.h"
 #include "core/platform/PlatformMemoryInstrumentation.h"
 #include "core/platform/graphics/ImageOrientation.h"
 
 #include "core/platform/graphics/chromium/DeferredImageDecoder.h"
 
 namespace WebCore {
 
-#if ENABLE(IMAGE_DECODER_DOWN_SAMPLING)
-unsigned ImageSource::s_maxPixelsPerDecodedImage = 1024 * 1024;
-#endif
-
 ImageSource::ImageSource(ImageSource::AlphaOption alphaOption, ImageSource::GammaAndColorProfileOption gammaAndColorProfileOption)
     : m_alphaOption(alphaOption)
     , m_gammaAndColorProfileOption(gammaAndColorProfileOption)
 {
 }
 
 ImageSource::~ImageSource()
 {
     clear(true);
 }
@@ skipping 15 matching lines @@
 {
     return m_decoder;
 }
 
 void ImageSource::setData(SharedBuffer* data, bool allDataReceived)
 {
     // Make the decoder by sniffing the bytes.
     // This method will examine the data and instantiate an instance of the appropriate decoder plugin.
     // If insufficient bytes are available to determine the image type, no decoder plugin will be
     // made.
-    if (!m_decoder) {
+    if (!m_decoder)
         m_decoder = NativeImageDecoder::create(*data, m_alphaOption, m_gammaAndColorProfileOption);
-#if ENABLE(IMAGE_DECODER_DOWN_SAMPLING)
-        if (m_decoder && s_maxPixelsPerDecodedImage)
-            m_decoder->setMaxNumPixels(s_maxPixelsPerDecodedImage);
-#endif
-    }
 
     if (m_decoder)
         m_decoder->setData(data, allDataReceived);
 }
 
 String ImageSource::filenameExtension() const
 {
     return m_decoder ? m_decoder->filenameExtension() : String();
 }
 
@@ skipping 95 matching lines @@
     return m_decoder->frameBytesAtIndex(index);
 }
 
 void ImageSource::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, PlatformMemoryTypes::Image);
     info.addMember(m_decoder, "decoder");
 }
 
 }