Web Animations: Define easing for each keyframe

Source/core/animation/Animation.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 166 matching lines @@
         double offset;
         if (keyframeDictionaryVector[i].get("offset", offset)) {
             keyframe->setOffset(offset);
         }
 
         String compositeString;
         keyframeDictionaryVector[i].get("composite", compositeString);
         if (compositeString == "add")
             keyframe->setComposite(AnimationEffect::CompositeAdd);
 
+        String timingFunctionString;
+        if (keyframeDictionaryVector[i].get("easing", timingFunctionString)) {
+            RefPtr<CSSValue> timingFunctionValue = BisonCSSParser::parseAnimationTimingFunctionValue(timingFunctionString);
+            if (timingFunctionValue) {
+                keyframe->setEasing(CSSToStyleMap::animationTimingFunction(timingFunctionValue.get(), false));
+            }
+        }
+
         Vector<String> keyframeProperties;
         keyframeDictionaryVector[i].getOwnPropertyNames(keyframeProperties);
 
         for (size_t j = 0; j < keyframeProperties.size(); ++j) {
             String property = keyframeProperties[j];
             CSSPropertyID id = camelCaseCSSPropertyNameToID(property);
 
             // FIXME: There is no way to store invalid properties or invalid values
             // in a Keyframe object, so for now I just skip over them. Eventually we
             // will need to support getFrames(), which should return exactly the
@@ skipping 195 matching lines @@
 void Animation::pauseAnimationForTestingOnCompositor(double pauseTime)
 {
     ASSERT(hasActiveAnimationsOnCompositor());
     if (!m_target || !m_target->renderer())
         return;
     for (size_t i = 0; i < m_compositorAnimationIds.size(); ++i)
         CompositorAnimations::instance()->pauseAnimationForTestingOnCompositor(*m_target.get(), m_compositorAnimationIds[i], pauseTime);
 }
 
 } // namespace WebCore