| Index: Source/core/dom/DocumentInit.cpp
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| diff --git a/Source/core/dom/DocumentInit.cpp b/Source/core/dom/DocumentInit.cpp
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| index 90b4dd996f10f06bdde02a381901e8bb5612eabd..7993f6c55e078a0f1361993f1e1edb2ab731ba05 100644
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| --- a/Source/core/dom/DocumentInit.cpp
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| +++ b/Source/core/dom/DocumentInit.cpp
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| @@ -97,19 +97,6 @@ bool DocumentInit::shouldTreatURLAsSrcdocDocument() const
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|      return m_parent && m_frame->loader().shouldTreatURLAsSrcdocDocument(m_url);
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|  }
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|  
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| -bool DocumentInit::isSeamlessAllowedFor(Document* child) const
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| -{
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| -    if (!m_parent)
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| -        return false;
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| -    if (m_parent->isSandboxed(SandboxSeamlessIframes))
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| -        return false;
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| -    if (child->isSrcdocDocument())
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| -        return true;
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| -    if (m_parent->securityOrigin()->canAccess(child->securityOrigin()))
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| -        return true;
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| -    return m_parent->securityOrigin()->canRequest(child->url());
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| -}
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| -
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|  Frame* DocumentInit::frameForSecurityContext() const
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|  {
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|      if (m_frame)
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| 
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