SVGPath object "mutability" cleanup

third_party/WebKit/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 67 matching lines @@
     result.reserveInitialCapacity(d.length());
 
     SVGPathByteStreamBuilder builder(result);
     SVGPathStringSource source(d);
     SVGPathParser parser(&source, &builder);
     bool ok = parser.parsePathDataFromSource(parsingMode);
     result.shrinkToFit();
     return ok;
 }
 
-bool addToSVGPathByteStream(SVGPathByteStream& fromStream, const SVGPathByteStream& byStream, unsigned repeatCount)
-{
-    if (fromStream.isEmpty() || byStream.isEmpty())
-        return true;
-
-    OwnPtr<SVGPathByteStream> fromStreamCopy = fromStream.copy();
-    fromStream.clear();
-
-    SVGPathByteStreamBuilder builder(fromStream);
-    SVGPathByteStreamSource fromSource(*fromStreamCopy);
-    SVGPathByteStreamSource bySource(byStream);
-    SVGPathBlender blender(&fromSource, &bySource, &builder);
-    return blender.addAnimatedPath(repeatCount);
-}
-
 unsigned getSVGPathSegAtLengthFromSVGPathByteStream(const SVGPathByteStream& stream, float length)
 {
     if (stream.isEmpty())
         return 0;
 
     SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalSegmentAtLength, length);
     SVGPathByteStreamSource source(stream);
     SVGPathParser parser(&source, &builder);
     parser.parsePathDataFromSource(NormalizedParsing);
     return builder.pathSegmentIndex();
@@ skipping 17 matching lines @@
         return FloatPoint();
 
     SVGPathTraversalStateBuilder builder(PathTraversalState::TraversalPointAtLength, length);
     SVGPathByteStreamSource source(stream);
     SVGPathParser parser(&source, &builder);
     parser.parsePathDataFromSource(NormalizedParsing);
     return builder.currentPoint();
 }
 
 }