Implement AnimationEffectTimingReadOnly interface

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

Index: third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
diff --git a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
index 28309b5ee65c11902cf3a0bfddcc2d3bfbc190ef..742c5ab56f59ba899ea98708bedb37beebe48712 100644
--- a/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
+++ b/third_party/WebKit/Source/core/animation/KeyframeEffect.cpp
@@ -33,6 +33,7 @@
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/animation/Animation.h"
+#include "core/animation/AnimationEffectTiming.h"
 #include "core/animation/AnimationTimeline.h"
 #include "core/animation/CompositorAnimations.h"
 #include "core/animation/ElementAnimations.h"
@@ -384,6 +385,10 @@ void KeyframeEffect::attachCompositedLayers() {
   CompositorAnimations::attachCompositedLayers(*m_target, *animation());
 }
 
+AnimationEffectTiming* KeyframeEffect::timing() {
+  return AnimationEffectTiming::create(this);
+}
+
 DEFINE_TRACE(KeyframeEffect) {
   KeyframeEffectReadOnly::trace(visitor);
 }