Store custom properties specified in element.animate()

third_party/WebKit/Source/core/animation/EffectInput.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * 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
@@ skipping 65 matching lines @@
     }
 
     return true;
 }
 
 void setKeyframeValue(Element& element, StringKeyframe& keyframe, const String& property, const String& value)
 {
     StyleSheetContents* styleSheetContents = element.document().elementSheet().contents();
     CSSPropertyID cssProperty = AnimationInputHelpers::keyframeAttributeToCSSProperty(property, element.document());
     if (cssProperty != CSSPropertyInvalid) {
-        keyframe.setCSSPropertyValue(cssProperty, value, styleSheetContents);
+        if (cssProperty == CSSPropertyVariable)
+            keyframe.setCSSPropertyValue(AtomicString(property), value, styleSheetContents);
+        else
+            keyframe.setCSSPropertyValue(cssProperty, value, styleSheetContents);
         return;
     }
     cssProperty = AnimationInputHelpers::keyframeAttributeToPresentationAttribute(property, element);
     if (cssProperty != CSSPropertyInvalid) {
         keyframe.setPresentationAttributeValue(cssProperty, value, styleSheetContents);
         return;
     }
     const QualifiedName* svgAttribute = AnimationInputHelpers::keyframeAttributeToSVGAttribute(property, element);
     if (svgAttribute)
         keyframe.setSVGAttributeValue(*svgAttribute, value);
@@ skipping 219 matching lines @@
     }
 
     std::sort(keyframes.begin(), keyframes.end(), compareKeyframes);
 
     DCHECK(!exceptionState.hadException());
 
     return createEffectModelFromKeyframes(element, keyframes, exceptionState);
 }
 
 } // namespace blink