Remove stale comment regarding StringKeyframe being eagerly evaluated.

third_party/WebKit/Source/core/animation/CompositorAnimations.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 509 matching lines @@
     const AnimatableValuePropertySpecificKeyframeVector& keyframes) {
   auto* lastKeyframe = keyframes.last().get();
   for (const auto& keyframe : keyframes) {
     const TimingFunction* keyframeTimingFunction = 0;
     // Ignore timing function of last frame.
     if (keyframe == lastKeyframe)
       keyframeTimingFunction = LinearTimingFunction::shared();
     else
       keyframeTimingFunction = &keyframe->easing();
 
-    // FIXME: This relies on StringKeyframes being eagerly evaluated, which will
-    // not happen eventually. Instead we should extract the CSSValue here
-    // and convert using another set of toAnimatableXXXOperations functions.
     const AnimatableValue* value = keyframe->getAnimatableValue().get();
-
     addKeyframeToCurve(curve, keyframe.get(), value, *keyframeTimingFunction);
   }
 }
 
 }  // namespace
 
 void CompositorAnimations::getAnimationOnCompositor(
     const Timing& timing,
     int group,
     double startTime,
@@ skipping 75 matching lines @@
     animation->setTimeOffset(compositorTiming.scaledTimeOffset);
     animation->setDirection(compositorTiming.direction);
     animation->setPlaybackRate(compositorTiming.playbackRate);
     animation->setFillMode(compositorTiming.fillMode);
     animations.append(std::move(animation));
   }
   DCHECK(!animations.isEmpty());
 }
 
 }  // namespace blink