Use Length for the stroke-width property in SVGLayoutStyle

Source/core/animation/animatable/AnimatableValueTestHelper.cpp

 /*
  * Copyright (c) 2013, 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 56 matching lines @@
 
     const WillBeHeapVector<RefPtrWillBeMember<AnimatableValue>> v = animValue.values();
     for (WillBeHeapVector<RefPtrWillBeMember<AnimatableValue>>::const_iterator it = v.begin(); it != v.end(); ++it) {
         PrintTo(*(it->get()), os);
         if (it+1 != v.end())
             *os << ", ";
     }
     *os << ")";
 }
 
-void PrintTo(const AnimatableSVGLength& animSVGLength, ::std::ostream* os)
-{
-    *os << "AnimatableSVGLength("
-        << animSVGLength.toSVGLength()->valueAsString().utf8().data() << ")";
-}
-
 void PrintTo(const AnimatableShapeValue& animValue, ::std::ostream* os)
 {
     *os << "AnimatableShapeValue@" << &animValue;
 }
 
 void PrintTo(const AnimatableStrokeDasharrayList& animValue, ::std::ostream* os)
 {
     *os << "AnimatableStrokeDasharrayList(";
     RefPtr<SVGDashArray> list = animValue.toSVGDashArray(1);
     size_t length = list->size();
@@ skipping 88 matching lines @@
     if (animValue.isClipPathOperation())
         PrintTo(toAnimatableClipPathOperation(animValue), os);
     else if (animValue.isColor())
         PrintTo(toAnimatableColor(animValue), os);
     else if (animValue.isImage())
         PrintTo(toAnimatableImage(animValue), os);
     else if (animValue.isNeutral())
         PrintTo(static_cast<const AnimatableNeutral&>(animValue), os);
     else if (animValue.isRepeatable())
         PrintTo(toAnimatableRepeatable(animValue), os);
-    else if (animValue.isSVGLength())
-        PrintTo(toAnimatableSVGLength(animValue), os);
     else if (animValue.isSVGPaint())
         PrintTo(toAnimatableSVGPaint(animValue), os);
     else if (animValue.isShapeValue())
         PrintTo(toAnimatableShapeValue(animValue), os);
     else if (animValue.isStrokeDasharrayList())
         PrintTo(toAnimatableStrokeDasharrayList(animValue), os);
     else if (animValue.isTransform())
         PrintTo(toAnimatableTransform(animValue), os);
     else if (animValue.isUnknown())
         PrintTo(toAnimatableUnknown(animValue), os);
     else if (animValue.isVisibility())
         PrintTo(toAnimatableVisibility(animValue), os);
     else
         *os << "Unknown AnimatableValue - update ifelse chain in AnimatableValueTestHelper.h";
 }
 
 } // namespace blink