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 b18d33b71ba565f727d985412e13892e897872fc..ceb9080bbf7a49916a202ca8c9b19142025b86e0 100644
--- a/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
+++ b/third_party/WebKit/Source/core/animation/KeyframeEffectReadOnly.h
@@ -12,6 +12,7 @@
 namespace blink {
 
 class DictionarySequenceOrDictionary;
+class CompositorAnimationPlayer;
 class Element;
 class ExceptionState;
 class ExecutionContext;
@@ -64,7 +65,8 @@ class CORE_EXPORT KeyframeEffectReadOnly : public AnimationEffectReadOnly {
   bool MaybeStartAnimationOnCompositor(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();