CSS Motion Path: delete implementation of offset-rotation property

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

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSOffsetRotateInterpolationType_h
 #define CSSOffsetRotateInterpolationType_h
 
 #include "core/animation/CSSInterpolationType.h"
 
 namespace blink {
 
 class CSSOffsetRotateInterpolationType : public CSSInterpolationType {
  public:
   CSSOffsetRotateInterpolationType(PropertyHandle property)
       : CSSInterpolationType(property) {
-    DCHECK(CssProperty() == CSSPropertyOffsetRotate ||
-           CssProperty() == CSSPropertyOffsetRotation);
+    DCHECK(CssProperty() == CSSPropertyOffsetRotate);
   }
 
   InterpolationValue MaybeConvertStandardPropertyUnderlyingValue(
       const ComputedStyle&) const final;
   void Composite(UnderlyingValueOwner&,
                  double underlying_fraction,
                  const InterpolationValue&,
                  double interpolation_fraction) const final;
   void ApplyStandardPropertyValue(const InterpolableValue&,
                                   const NonInterpolableValue*,
@@ skipping 10 matching lines @@
                                        const StyleResolverState*,
                                        ConversionCheckers&) const final;
   PairwiseInterpolationValue MaybeMergeSingles(
       InterpolationValue&& start,
       InterpolationValue&& end) const final;
 };
 
 }  // namespace blink
 
 #endif  // CSSOffsetRotateInterpolationType_h