Replace CSSAnimationData::Create(CSSAnimation) with clone method.

third_party/WebKit/Source/core/animation/css/CSSAnimationData.h

Index: third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
diff --git a/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h b/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
index 447e2f832142fc272afca5ac01b2dd582f16abd5..f8ee8c3c1e014e545ccd45bc300e2bea584e8edd 100644
--- a/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
+++ b/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
@@ -19,9 +19,8 @@ class CSSAnimationData final : public CSSTimingData {
     return WTF::WrapUnique(new CSSAnimationData);
   }
 
-  static std::unique_ptr<CSSAnimationData> Create(
-      const CSSAnimationData& animation_data) {
-    return WTF::WrapUnique(new CSSAnimationData(animation_data));
+  std::unique_ptr<CSSAnimationData> Clone() const {
+    return WTF::WrapUnique(new CSSAnimationData(*this));
   }
 
   bool AnimationsMatchForStyleRecalc(const CSSAnimationData& other) const;