[wip] interpolable value refactor. NOT FOR LANDING.

Source/core/animation/InertAnimation.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 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "core/animation/InertAnimation.h"
+#include "core/animation/Interpolation.h"
 
 namespace WebCore {
 
 PassRefPtr<InertAnimation> InertAnimation::create(PassRefPtr<AnimationEffect> effect, const Timing& timing, bool paused)
 {
     return adoptRef(new InertAnimation(effect, timing, paused));
 }
 
 InertAnimation::InertAnimation(PassRefPtr<AnimationEffect> effect, const Timing& timing, bool paused)
     : TimedItem(timing)
     , m_effect(effect)
     , m_paused(paused)
 {
 }
 
-PassOwnPtr<AnimationEffect::CompositableValueList> InertAnimation::sample()
+PassOwnPtr<Vector<RefPtr<Interpolation> > > InertAnimation::sample()
 {
     updateInheritedTime(0);
     if (!isInEffect())
         return nullptr;
 
     double iteration = currentIteration();
     ASSERT(iteration >= 0);
     // FIXME: Handle iteration values which overflow int.
     return m_effect->sample(static_cast<int>(iteration), timeFraction());
 }
 
 
 double InertAnimation::calculateTimeToEffectChange(double, double) const
 {
     return std::numeric_limits<double>::infinity();
 }
 
 } // namespace WebCore