Use Length for the stroke-width property in SVGLayoutStyle

Source/core/core.gypi

 {
     'includes': [
         'core_generated.gypi',
     ],
     'variables': {
         # Files for which bindings (.cpp and .h files) will be generated
         'core_idl_files': [
             'animation/Animation.idl',
             'animation/AnimationEffect.idl',
             'animation/AnimationNode.idl',
@@ skipping 903 matching lines @@
             'animation/InterpolationEffect.h',
             'animation/KeyframeEffectModel.cpp',
             'animation/KeyframeEffectModel.h',
             'animation/LegacyStyleInterpolation.h',
             'animation/LengthBoxStyleInterpolation.cpp',
             'animation/LengthBoxStyleInterpolation.h',
             'animation/LengthPairStyleInterpolation.cpp',
             'animation/LengthPairStyleInterpolation.h',
             'animation/LengthStyleInterpolation.cpp',
             'animation/LengthStyleInterpolation.h',
-            'animation/SVGLengthStyleInterpolation.cpp',
-            'animation/SVGLengthStyleInterpolation.h',
             'animation/SVGStrokeDasharrayStyleInterpolation.cpp',
             'animation/SVGStrokeDasharrayStyleInterpolation.h',
             'animation/SampledEffect.cpp',
             'animation/SampledEffect.h',
             'animation/ListStyleInterpolation.h',
             'animation/ShadowStyleInterpolation.cpp',
             'animation/ShadowStyleInterpolation.h',
             'animation/StringKeyframe.cpp',
             'animation/StringKeyframe.h',
             'animation/StyleInterpolation.h',
@@ skipping 24 matching lines @@
             'animation/animatable/AnimatableLengthBoxAndBool.h',
             'animation/animatable/AnimatableLengthPoint.cpp',
             'animation/animatable/AnimatableLengthPoint.h',
             'animation/animatable/AnimatableLengthPoint3D.cpp',
             'animation/animatable/AnimatableLengthPoint3D.h',
             'animation/animatable/AnimatableLengthSize.cpp',
             'animation/animatable/AnimatableLengthSize.h',
             'animation/animatable/AnimatableNeutral.h',
             'animation/animatable/AnimatableRepeatable.cpp',
             'animation/animatable/AnimatableRepeatable.h',
-            'animation/animatable/AnimatableSVGLength.cpp',
-            'animation/animatable/AnimatableSVGLength.h',
             'animation/animatable/AnimatableSVGPaint.cpp',
             'animation/animatable/AnimatableSVGPaint.h',
             'animation/animatable/AnimatableShadow.cpp',
             'animation/animatable/AnimatableShadow.h',
             'animation/animatable/AnimatableShapeValue.cpp',
             'animation/animatable/AnimatableShapeValue.h',
             'animation/animatable/AnimatableStrokeDasharrayList.cpp',
             'animation/animatable/AnimatableStrokeDasharrayList.h',
             'animation/animatable/AnimatableTransform.cpp',
             'animation/animatable/AnimatableTransform.h',
@@ skipping 2733 matching lines @@
             'animation/DeferredLegacyStyleInterpolationTest.cpp',
             'animation/DoubleStyleInterpolationTest.cpp',
             'animation/EffectInputTest.cpp',
             'animation/InterpolableValueTest.cpp',
             'animation/InterpolationEffectTest.cpp',
             'animation/KeyframeEffectModelTest.cpp',
             'animation/LengthBoxStyleInterpolationTest.cpp',
             'animation/LengthPairStyleInterpolationTest.cpp',
             'animation/LengthStyleInterpolationTest.cpp',
             'animation/ListStyleInterpolationTest.cpp',
-            'animation/SVGLengthStyleInterpolationTest.cpp',
             'animation/SVGStrokeDasharrayStyleInterpolationTest.cpp',
             'animation/ShadowStyleInterpolationTest.cpp',
             'animation/TimingCalculationsTest.cpp',
             'animation/TimingInputTest.cpp',
             'animation/VisibilityStyleInterpolationTest.cpp',
             'animation/animatable/AnimatableColorTest.cpp',
             'animation/animatable/AnimatableDoubleAndBoolTest.cpp',
             'animation/animatable/AnimatableDoubleTest.cpp',
             'animation/animatable/AnimatableLengthTest.cpp',
             'animation/animatable/AnimatableNeutralTest.cpp',
@@ skipping 96 matching lines @@
             'paint/ViewDisplayListTest.cpp',
             'streams/ExclusiveStreamReaderTest.cpp',
             'streams/ReadableStreamTest.cpp',
             'testing/PrivateScriptTestTest.cpp',
             'testing/UnitTestHelpers.cpp',
             'testing/UnitTestHelpers.h',
             'xml/parser/SharedBufferReaderTest.cpp',
         ],
     }
 }