| Index: Source/core/animation/DocumentTimeline.h
 | 
| diff --git a/Source/core/animation/DocumentTimeline.h b/Source/core/animation/DocumentTimeline.h
 | 
| index f9284a6d307fe0365b4c1134156b906f9ae3a0e9..74483d788863769a6563f72e10c3d460509b58ec 100644
 | 
| --- a/Source/core/animation/DocumentTimeline.h
 | 
| +++ b/Source/core/animation/DocumentTimeline.h
 | 
| @@ -71,6 +71,7 @@ public:
 | 
|      // performance.timing.domInteractive
 | 
|      void setZeroTime(double);
 | 
|      bool hasStarted() const { return !isNull(m_zeroTime); }
 | 
| +    double zeroTime() const { return m_zeroTime; }
 | 
|      double currentTime();
 | 
|      void pauseAnimationsForTesting(double);
 | 
|      size_t numberOfActiveAnimationsForTesting() const;
 | 
| 
 |