Make AnimationEffectReadOnly.getComputedTiming() consistent with Web Animations spec

third_party/WebKit/Source/core/animation/KeyframeEffect.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 165 matching lines @@
     if (!m_target || !m_model)
         return;
 
     if (hasIncompatibleStyle())
         animation()->cancelAnimationOnCompositor();
 
     double iteration = currentIteration();
     ASSERT(iteration >= 0);
     bool changed = false;
     if (m_sampledEffect) {
-        changed = m_model->sample(clampTo<int>(iteration, 0), timeFraction(), iterationDuration(), m_sampledEffect->mutableInterpolations());
+        changed = m_model->sample(clampTo<int>(iteration, 0), progress(), iterationDuration(), m_sampledEffect->mutableInterpolations());
     } else {
         Vector<RefPtr<Interpolation>> interpolations;
-        m_model->sample(clampTo<int>(iteration, 0), timeFraction(), iterationDuration(), interpolations);
+        m_model->sample(clampTo<int>(iteration, 0), progress(), iterationDuration(), interpolations);
         if (!interpolations.isEmpty()) {
             SampledEffect* sampledEffect = SampledEffect::create(this);
             sampledEffect->mutableInterpolations().swap(interpolations);
             m_sampledEffect = sampledEffect;
             ensureAnimationStack(m_target).add(sampledEffect);
             changed = true;
         } else {
             return;
         }
     }
@@ skipping 171 matching lines @@
 
 DEFINE_TRACE(KeyframeEffect)
 {
     visitor->trace(m_target);
     visitor->trace(m_model);
     visitor->trace(m_sampledEffect);
     AnimationEffect::trace(visitor);
 }
 
 } // namespace blink