Web Animations: Rename TimedItem to AnimationSource

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 22 matching lines @@
 #include "core/animation/Interpolation.h"
 
 namespace WebCore {
 
 PassRefPtrWillBeRawPtr<InertAnimation> InertAnimation::create(PassRefPtrWillBeRawPtr<AnimationEffect> effect, const Timing& timing, bool paused)
 {
     return adoptRefWillBeNoop(new InertAnimation(effect, timing, paused));
 }
 
 InertAnimation::InertAnimation(PassRefPtrWillBeRawPtr<AnimationEffect> effect, const Timing& timing, bool paused)
-    : TimedItem(timing)
+    : AnimationSource(timing)
     , m_effect(effect)
     , m_paused(paused)
 {
 }
 
 PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > InertAnimation::sample(double inheritedTime)
 {
     updateInheritedTime(inheritedTime, TimingUpdateOnDemand);
     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(), iterationDuration());
 }
 
 double InertAnimation::calculateTimeToEffectChange(bool, double, double) const
 {
     return std::numeric_limits<double>::infinity();
 }
 
 void InertAnimation::trace(Visitor* visitor)
 {
     visitor->trace(m_effect);
-    TimedItem::trace(visitor);
+    AnimationSource::trace(visitor);
 }
 
 } // namespace WebCore