Web animations: Supply CSS transition easing

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 37 matching lines @@
 
 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());
+    return m_effect->sample(static_cast<int>(iteration), timeFraction(), duration());
 }
 
 
 double InertAnimation::calculateTimeToEffectChange(bool, double, double) const
 {
     return std::numeric_limits<double>::infinity();
 }
 
 } // namespace WebCore