Move content up to KeyframeEffectReadOnly

third_party/WebKit/Source/core/animation/AnimationStack.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 145 matching lines @@
 DEFINE_TRACE(AnimationStack) {
   visitor->trace(m_sampledEffects);
 }
 
 bool AnimationStack::getAnimatedBoundingBox(FloatBox& box,
                                             CSSPropertyID property) const {
   FloatBox originalBox(box);
   for (const auto& sampledEffect : m_sampledEffects) {
     if (sampledEffect->effect() &&
         sampledEffect->effect()->affects(PropertyHandle(property))) {
-      KeyframeEffect* effect = sampledEffect->effect();
+      KeyframeEffectReadOnly* effect = sampledEffect->effect();
       const Timing& timing = effect->specifiedTiming();
       double startRange = 0;
       double endRange = 1;
       timing.timingFunction->range(&startRange, &endRange);
       FloatBox expandingBox(originalBox);
       if (!CompositorAnimations::getAnimatedBoundingBox(
               expandingBox, *effect->model(), startRange, endRange))
         return false;
       box.expandTo(expandingBox);
     }
   }
   return true;
 }
 
 }  // namespace blink