| Index: third_party/WebKit/Source/core/animation/Interpolation.h
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| diff --git a/third_party/WebKit/Source/core/animation/Interpolation.h b/third_party/WebKit/Source/core/animation/Interpolation.h
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| index af31764809678d597cce44055691ad2a28b61145..2ca275b318a05e83cf5665dfdfb3ebaebf2f66ca 100644
 | 
| --- a/third_party/WebKit/Source/core/animation/Interpolation.h
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| +++ b/third_party/WebKit/Source/core/animation/Interpolation.h
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| @@ -26,6 +26,7 @@ public:
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|      virtual bool isLegacyStyleInterpolation() const { return false; }
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|  
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|      virtual PropertyHandle property() const = 0;
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| +    virtual bool dependsOnUnderlyingValue() const { return false; }
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|  
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|  protected:
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|      const OwnPtr<InterpolableValue> m_start;
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| 
 |