| Index: third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
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| diff --git a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
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| index 15d7f1f9bfd371fa689d3fe603ba18d7e11578df..0e6f2bc77983e0d1da1c0538800f884070a6489f 100644
 | 
| --- a/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
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| +++ b/third_party/WebKit/Source/core/frame/LocalDOMWindow.cpp
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| @@ -1336,8 +1336,8 @@ CustomElementsRegistry* LocalDOMWindow::customElements(ScriptState* scriptState)
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|  
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|  CustomElementsRegistry* LocalDOMWindow::customElements() const
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|  {
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| -    if (!m_customElements)
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| -        m_customElements = CustomElementsRegistry::create(document()->registrationContext());
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| +    if (!m_customElements && m_document)
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| +        m_customElements = CustomElementsRegistry::create(document());
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|      return m_customElements;
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|  }
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|  
 | 
| 
 |