Move PathTraversalState::m_segmentIndex to SVGPathTraversalStateBuilder

Source/core/svg/SVGPathUtilities.cpp

 /*
  * Copyright (C) Research In Motion Limited 2010, 2012. 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
@@ skipping 89 matching lines @@
     SVGPathByteStreamSource bySource(byStream);
     SVGPathBlender blender(&fromSource, &bySource, &builder);
     return blender.addAnimatedPath(repeatCount);
 }
 
 unsigned getSVGPathSegAtLengthFromSVGPathByteStream(const SVGPathByteStream& stream, float length)
 {
     if (stream.isEmpty())
         return 0;
 
-    PathTraversalState traversalState(PathTraversalState::TraversalSegmentAtLength);
-    SVGPathTraversalStateBuilder builder(traversalState, length);
+    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalSegmentAtLength, length);
     SVGPathByteStreamSource source(stream);
     SVGPathParser parser(&source, &builder);
     parser.parsePathDataFromSource(NormalizedParsing);
     return builder.pathSegmentIndex();
 }
 
 float getTotalLengthOfSVGPathByteStream(const SVGPathByteStream& stream)
 {
     if (stream.isEmpty())
         return 0;
 
-    PathTraversalState traversalState(PathTraversalState::TraversalTotalLength);
-    SVGPathTraversalStateBuilder builder(traversalState);
+    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalTotalLength);
     SVGPathByteStreamSource source(stream);
     SVGPathParser parser(&source, &builder);
     parser.parsePathDataFromSource(NormalizedParsing);
     return builder.totalLength();
 }
 
 FloatPoint getPointAtLengthOfSVGPathByteStream(const SVGPathByteStream& stream, float length)
 {
     if (stream.isEmpty())
         return FloatPoint();
 
-    PathTraversalState traversalState(PathTraversalState::TraversalPointAtLength);
-    SVGPathTraversalStateBuilder builder(traversalState, length);
+    SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalPointAtLength, length);
     SVGPathByteStreamSource source(stream);
     SVGPathParser parser(&source, &builder);
     parser.parsePathDataFromSource(NormalizedParsing);
     return builder.currentPoint();
 }
 
 }