Handle more <length> properties in animation

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 152 matching lines @@
     case CSSPropertyMaxWidth:
     case CSSPropertyMinHeight:
     case CSSPropertyMinWidth:
     case CSSPropertyMotionOffset:
     case CSSPropertyOutlineWidth:
     case CSSPropertyPaddingBottom:
     case CSSPropertyPaddingLeft:
     case CSSPropertyPaddingRight:
     case CSSPropertyPaddingTop:
     case CSSPropertyPerspective:
+    case CSSPropertyR:
+    case CSSPropertyRx:
+    case CSSPropertyRy:
     case CSSPropertyShapeMargin:
     case CSSPropertyStrokeWidth:
     case CSSPropertyWebkitBorderHorizontalSpacing:
     case CSSPropertyWebkitBorderVerticalSpacing:
     case CSSPropertyWebkitColumnGap:
     case CSSPropertyWebkitColumnWidth:
     case CSSPropertyWidth:
         range = RangeNonNegative;
         // Fall through
     case CSSPropertyBaselineShift:
     case CSSPropertyBottom:
+    case CSSPropertyCx:
+    case CSSPropertyCy:
     case CSSPropertyLeft:
     case CSSPropertyLetterSpacing:
     case CSSPropertyMarginBottom:
     case CSSPropertyMarginLeft:
     case CSSPropertyMarginRight:
     case CSSPropertyMarginTop:
     case CSSPropertyOutlineOffset:
     case CSSPropertyRight:
     case CSSPropertyStrokeDashoffset:
     case CSSPropertyTop:
     case CSSPropertyVerticalAlign:
     case CSSPropertyWordSpacing:
     case CSSPropertyWebkitColumnRuleWidth:
+    case CSSPropertyX:
+    case CSSPropertyY:
         if (LengthStyleInterpolation::canCreateFrom(*fromCSSValue, property) && LengthStyleInterpolation::canCreateFrom(*toCSSValue, property))
             return LengthStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, range);
 
         // FIXME: Handle keywords e.g. 'smaller', 'larger'.
         if (property == CSSPropertyFontSize)
             fallBackToLegacy = true;
 
         // FIXME: Handle keywords e.g. 'baseline', 'sub'.
         if (property == CSSPropertyBaselineShift)
             fallBackToLegacy = true;
@@ skipping 174 matching lines @@
 }
 
 DEFINE_TRACE(StringKeyframe::PropertySpecificKeyframe)
 {
     visitor->trace(m_value);
     visitor->trace(m_animatableValueCache);
     Keyframe::PropertySpecificKeyframe::trace(visitor);
 }
 
 }