Eliminate copies of encoded image data

third_party/WebKit/Source/platform/image-decoders/ico/ICOImageDecoder.h

 /*
  * Copyright (c) 2008, 2009, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 28 matching lines @@
 class PNGImageDecoder;
 
 // This class decodes the ICO and CUR image formats.
 class PLATFORM_EXPORT ICOImageDecoder final : public ImageDecoder {
 public:
     ICOImageDecoder(AlphaOption, GammaAndColorProfileOption, size_t maxDecodedBytes);
     ~ICOImageDecoder() override;
 
     // ImageDecoder:
     String filenameExtension() const override { return "ico"; }
-    void onSetData(SharedBuffer*) override;
+    void onSetData(SegmentReader*) override;
     IntSize size() const override;
     IntSize frameSizeAtIndex(size_t) const override;
     bool setSize(unsigned width, unsigned height) override;
     // CAUTION: setFailed() deletes all readers and decoders.  Be careful to
     // avoid accessing deleted memory, especially when calling this from
     // inside BMPImageReader!
     bool setFailed() override;
     bool hotSpot(IntPoint&) const override;
 
 private:
@@ skipping 103 matching lines @@
     PNGDecoders m_pngDecoders;
 
     // Valid only while a BMPImageReader is decoding, this holds the size
     // for the particular entry being decoded.
     IntSize m_frameSize;
 };
 
 } // namespace blink
 
 #endif