Initial implementation of WorkletAnimation

third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h

Index: third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
diff --git a/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h b/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
index 608f736ac5c07bcf7d9c3c5ff36942d17d24a5cb..408780fbff8845794cca6d732985a0811ddb1c63 100644
--- a/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
+++ b/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
@@ -13,6 +13,7 @@
 namespace blink {
 
 class DictionarySequenceOrDictionary;
+class CompositorAnimationPlayer;
 class Element;
 class ExceptionState;
 class ExecutionContext;
@@ -65,7 +66,8 @@ class CORE_EXPORT KeyframeEffectReadOnly : public AnimationEffectReadOnly {
   void StartAnimationOnCompositor(int group,
                                   double start_time,
                                   double time_offset,
-                                  double animation_playback_rate);
+                                  double animation_playback_rate,
+                                  CompositorAnimationPlayer*);
   bool HasActiveAnimationsOnCompositor() const;
   bool HasActiveAnimationsOnCompositor(const PropertyHandle&) const;
   bool CancelAnimationOnCompositor();