data-equivalent

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 f8ee8c3c1e014e545ccd45bc300e2bea584e8edd..3254a6c2e6edf9da796cec715065c7a0e49f5dd0 100644
--- a/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
+++ b/third_party/WebKit/Source/core/animation/css/CSSAnimationData.h
@@ -9,6 +9,7 @@
 #include "core/animation/Timing.h"
 #include "core/animation/css/CSSTimingData.h"
 #include "core/style/ComputedStyleConstants.h"
+#include "core/style/DataEquivalency.h"
 #include "platform/wtf/PtrUtil.h"
 
 namespace blink {
@@ -66,6 +67,11 @@ class CSSAnimationData final : public CSSTimingData {
   Vector<EAnimPlayState> play_state_list_;
 };
 
+inline bool DataEquivalent(const CSSAnimationData& a,
+                           const CSSAnimationData& b) {
+  return a.AnimationsMatchForStyleRecalc(b);
+}
+
 }  // namespace blink
 
 #endif  // CSSAnimationData_h