Web Animations: Update naming to reflect spec changes

Source/core/animation/CompositorAnimationsImpl.h

Index: Source/core/animation/CompositorAnimationsImpl.h
diff --git a/Source/core/animation/CompositorAnimationsImpl.h b/Source/core/animation/CompositorAnimationsImpl.h
index ae6c6cf4b0f3064e9524a94a8fe5a158a39435db..272d58228f69b363329d369966df340f9ab505cd 100644
--- a/Source/core/animation/CompositorAnimationsImpl.h
+++ b/Source/core/animation/CompositorAnimationsImpl.h
@@ -29,7 +29,7 @@
  */
 
 #include "core/CoreExport.h"
-#include "core/animation/AnimationEffect.h"
+#include "core/animation/EffectModel.h"
 #include "core/animation/KeyframeEffectModel.h"
 #include "core/animation/Timing.h"
 #include "platform/animation/TimingFunction.h"
@@ -60,9 +60,9 @@ private:
         double iterationStart;
     };
 
-    static bool convertTimingForCompositor(const Timing&, double timeOffset, CompositorTiming& out, double playerPlaybackRate);
+    static bool convertTimingForCompositor(const Timing&, double timeOffset, CompositorTiming& out, double animationPlaybackRate);
 
-    static void getAnimationOnCompositor(const Timing&, int group, double startTime, double timeOffset, const KeyframeEffectModelBase&, Vector<OwnPtr<WebCompositorAnimation>>& animations, double playerPlaybackRate);
+    static void getAnimationOnCompositor(const Timing&, int group, double startTime, double timeOffset, const KeyframeEffectModelBase&, Vector<OwnPtr<WebCompositorAnimation>>& animations, double animationPlaybackRate);
 
     static void addKeyframesToCurve(WebCompositorAnimationCurve&, const AnimatableValuePropertySpecificKeyframeVector&, const Timing&);