GIF decoding to Index8, unit tests and misusing unit test as benchmark

third_party/WebKit/Source/platform/image-decoders/gif/GIFImageReader.h

 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 /* ***** BEGIN LICENSE BLOCK *****
  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
  *
  * The contents of this file are subject to the Mozilla Public License Version
  * 1.1 (the "License"); you may not use this file except in compliance with
  * the License. You may obtain a copy of the License at
  * http://www.mozilla.org/MPL/
  *
  * Software distributed under the License is distributed on an "AS IS" basis,
@@ skipping 148 matching lines @@
     }
 
     // Set position and number of colors for the RGB table in the data stream.
     void setTablePositionAndSize(size_t position, size_t colors)
     {
         m_position = position;
         m_colors = colors;
     }
     void setDefined() { m_isDefined = true; }
     bool isDefined() const { return m_isDefined; }
+    size_t getPosition() const { return m_position; }
 
     // Build RGBA table using the data stream.
     void buildTable(blink::FastSharedBufferReader*);
     const Table& table() const { return m_table; }
 
 private:
     bool m_isDefined;
     size_t m_position;
     size_t m_colors;
     Table m_table;
@@ skipping 173 matching lines @@
     GIFColorMap m_globalColorMap;
     int m_loopCount; // Netscape specific extension block to control the number of animation loops a GIF renders.
 
     Vector<OwnPtr<GIFFrameContext>> m_frames;
 
     RefPtr<blink::SharedBuffer> m_data;
     bool m_parseCompleted;
 };
 
 #endif