Move content up to KeyframeEffectReadOnly

third_party/WebKit/Source/core/animation/AnimationStack.cpp

Index: third_party/WebKit/Source/core/animation/AnimationStack.cpp
diff --git a/third_party/WebKit/Source/core/animation/AnimationStack.cpp b/third_party/WebKit/Source/core/animation/AnimationStack.cpp
index 83b11e62ebfa4e0b8f8582c1af1d1bcc87e8fa4f..d09f93ee18b32fa5767b4e528ca11214713d7dcf 100644
--- a/third_party/WebKit/Source/core/animation/AnimationStack.cpp
+++ b/third_party/WebKit/Source/core/animation/AnimationStack.cpp
@@ -163,7 +163,7 @@ bool AnimationStack::getAnimatedBoundingBox(FloatBox& 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;