Use Length for baselineShiftValue in SVGLayoutStyle

Source/core/animation/StringKeyframe.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "core/animation/StringKeyframe.h"
 
 #include "core/animation/ColorStyleInterpolation.h"
 #include "core/animation/CompositorAnimations.h"
 #include "core/animation/ConstantStyleInterpolation.h"
@@ skipping 159 matching lines @@
     case CSSPropertyPaddingTop:
     case CSSPropertyPerspective:
     case CSSPropertyShapeMargin:
     case CSSPropertyWebkitBorderHorizontalSpacing:
     case CSSPropertyWebkitBorderVerticalSpacing:
     case CSSPropertyWebkitColumnGap:
     case CSSPropertyWebkitColumnWidth:
     case CSSPropertyWidth:
         range = RangeNonNegative;
         // Fall through
+    case CSSPropertyBaselineShift:
     case CSSPropertyBottom:
     case CSSPropertyLeft:
     case CSSPropertyLetterSpacing:
     case CSSPropertyMarginBottom:
     case CSSPropertyMarginLeft:
     case CSSPropertyMarginRight:
     case CSSPropertyMarginTop:
     case CSSPropertyOutlineOffset:
     case CSSPropertyRight:
     case CSSPropertyTop:
     case CSSPropertyVerticalAlign:
     case CSSPropertyWordSpacing:
     case CSSPropertyWebkitColumnRuleWidth:
         if (LengthStyleInterpolation::canCreateFrom(*fromCSSValue) && LengthStyleInterpolation::canCreateFrom(*toCSSValue))
             return LengthStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, range);
 
         // FIXME: Handle keywords e.g. 'none'.
         if (property == CSSPropertyPerspective)
             fallBackToLegacy = true;
         // FIXME: Handle keywords e.g. 'smaller', 'larger'.
         if (property == CSSPropertyFontSize)
             fallBackToLegacy = true;
 
+        // FIXME: Handle keywords e.g. 'baseline', 'sub'.
+        if (property == CSSPropertyBaselineShift)
+            fallBackToLegacy = true;
+
         // FIXME: Handle keywords e.g. 'normal'
         if (property == CSSPropertyLetterSpacing)
             fallBackToLegacy = true;
 
         // FIXME: Handle keywords e.g. 'thick'
         if (property == CSSPropertyOutlineWidth || property == CSSPropertyWebkitColumnRuleWidth)
             fallBackToLegacy = true;
         break;
     case CSSPropertyOrphans:
     case CSSPropertyWidows:
@@ skipping 109 matching lines @@
         }
         RefPtrWillBeRawPtr<Interpolation> interpolation = LengthBoxStyleInterpolation::maybeCreateFrom(*fromCSSValue, *toCSSValue, property);
         if (interpolation)
             return interpolation.release();
         break;
     }
 
     case CSSPropertyStrokeWidth:
         range = RangeNonNegative;
         // Fall through
-    case CSSPropertyBaselineShift:
     case CSSPropertyStrokeDashoffset: {
         RefPtrWillBeRawPtr<Interpolation> interpolation = SVGLengthStyleInterpolation::maybeCreate(*fromCSSValue, *toCSSValue, property, range);
         if (interpolation)
             return interpolation.release();
 
         break;
     }
 
     default:
         // Fall back to LegacyStyleInterpolation.
@@ skipping 60 matching lines @@
 }
 
 void StringKeyframe::PropertySpecificKeyframe::trace(Visitor* visitor)
 {
     visitor->trace(m_value);
     visitor->trace(m_animatableValueCache);
     Keyframe::PropertySpecificKeyframe::trace(visitor);
 }
 
 }