Remove css !important

sky/engine/core/animation/css/CSSAnimations.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 437 matching lines @@
                 CSSPropertyID eventId = id;
 
                 if (!animateAll) {
                     id = propertyForAnimation(id);
                     if (CSSPropertyMetadata::isAnimatableProperty(id))
                         listedProperties.set(id);
                     else
                         continue;
                 }
 
-                // FIXME: We should transition if an !important property changes even when an animation is running,
-                // but this is a bit hard to do with the current applyMatchedProperties system.
                 if (!update->activeInterpolationsForAnimations().contains(id)
                     && (!activeAnimations || !activeAnimations->cssAnimations().m_previousActiveInterpolationsForAnimations.contains(id))) {
                     calculateTransitionUpdateForProperty(id, eventId, *transitionData, i, oldStyle, style, activeTransitions, update, element);
                 }
             }
         }
     }
 
     if (activeTransitions) {
         for (TransitionMap::const_iterator iter = activeTransitions->begin(); iter != activeTransitions->end(); ++iter) {
@@ skipping 169 matching lines @@
     case CSSPropertyTransitionDuration:
     case CSSPropertyTransitionProperty:
     case CSSPropertyTransitionTimingFunction:
         return false;
     default:
         return true;
     }
 }
 
 } // namespace blink