Use Length for baselineShiftValue in SVGLayoutStyle

Source/core/css/LayoutStyleCSSValueMapping.cpp

 /*
  * Copyright (C) 2004 Zack Rusin <zack@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007 Nicholas Shanks <webkit@nickshanks.com>
  * Copyright (C) 2011 Sencha, Inc. All rights reserved.
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ skipping 2514 matching lines @@
         return SVGLength::toCSSPrimitiveValue(svgStyle.strokeWidth());
     case CSSPropertyBaselineShift: {
         switch (svgStyle.baselineShift()) {
         case BS_BASELINE:
             return CSSPrimitiveValue::createIdentifier(CSSValueBaseline);
         case BS_SUPER:
             return CSSPrimitiveValue::createIdentifier(CSSValueSuper);
         case BS_SUB:
             return CSSPrimitiveValue::createIdentifier(CSSValueSub);
         case BS_LENGTH:
-            return SVGLength::toCSSPrimitiveValue(svgStyle.baselineShiftValue());
+            return zoomAdjustedPixelValueForLength(svgStyle.baselineShiftValue(), style);
         }
         ASSERT_NOT_REACHED();
         return nullptr;
     }
     case CSSPropertyBufferedRendering:
         return CSSPrimitiveValue::create(svgStyle.bufferedRendering());
     case CSSPropertyGlyphOrientationHorizontal:
         return glyphOrientationToCSSPrimitiveValue(svgStyle.glyphOrientationHorizontal());
     case CSSPropertyGlyphOrientationVertical: {
         if (RefPtrWillBeRawPtr<CSSPrimitiveValue> value = glyphOrientationToCSSPrimitiveValue(svgStyle.glyphOrientationVertical()))
@@ skipping 18 matching lines @@
         return zoomAdjustedPixelValueForLength(svgStyle.y(), style);
 
     case CSSPropertyAll:
         return nullptr;
     }
     ASSERT_NOT_REACHED();
     return nullptr;
 }
 
 }