Make SVGLength wrap a CSSPrimitiveValue.

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 187 matching lines @@
     float em = state.parentStyle()->specifiedFontSize();
     float rem = state.rootElementStyle() ? state.rootElementStyle()->specifiedFontSize() : 1.0f;
     CSSToLengthConversionData::FontSizes fontSizes(em, rem, &state.parentStyle()->font());
     CSSToLengthConversionData::ViewportSize viewportSize(state.document().layoutView());
 
     CSSToLengthConversionData conversionData(state.style(), fontSizes, viewportSize, 1.0f);
     if (primitiveValue.isLength())
         return primitiveValue.computeLength<float>(conversionData);
     if (primitiveValue.isCalculatedPercentageWithLength())
         return primitiveValue.cssCalcValue()->toCalcValue(conversionData)->evaluate(parentSize.value);
+    if (primitiveValue.isNumber())
+        return primitiveValue.getFloatValue();
 
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 FontDescription::Size StyleBuilderConverter::convertFontSize(StyleResolverState& state, const CSSValue& value)
 {
     const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
 
     FontDescription::Size parentSize(0, 0.0f, false);
@@ skipping 724 matching lines @@
     return ScaleTransformOperation::create(sx, sy, sz, TransformOperation::Scale3D);
 }
 
 RespectImageOrientationEnum StyleBuilderConverter::convertImageOrientation(StyleResolverState& state, const CSSValue& value)
 {
     const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
     return primitiveValue.getValueID() == CSSValueFromImage ? RespectImageOrientation : DoNotRespectImageOrientation;
 }
 
 } // namespace blink