| Index: Source/core/dom/Document.cpp
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| diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
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| index b0d729f2f837f452c5c3dd0344440ca3d4aa6239..d354dc6d4adc241fec9ee25439ecc2b147f40b2c 100644
 | 
| --- a/Source/core/dom/Document.cpp
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| +++ b/Source/core/dom/Document.cpp
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| @@ -5112,6 +5112,14 @@ void Document::pluginLoadingTimerFired(Timer<Document>*)
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|      updateLayout();
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|  }
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|  
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| +double Document::monotonicTimeToZeroBasedDocumentTime(double monotonicTime) const
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| +{
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| +    if (!loader())
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| +        return 0;
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| +
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| +    return loader()->timing().monotonicTimeToZeroBasedDocumentTime(monotonicTime);
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| +}
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| +
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|  ScriptedAnimationController& Document::ensureScriptedAnimationController()
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|  {
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|      if (!m_scriptedAnimationController) {
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| 
 |