| Index: Source/core/editing/EditorCommand.cpp
 | 
| diff --git a/Source/core/editing/EditorCommand.cpp b/Source/core/editing/EditorCommand.cpp
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| index 6bd8560fc83794af46729acd6e85d3ea427a4162..a2d7a3520f6ebad0d3da5a0d2016c6b3c8b9b82c 100644
 | 
| --- a/Source/core/editing/EditorCommand.cpp
 | 
| +++ b/Source/core/editing/EditorCommand.cpp
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| @@ -1667,7 +1667,7 @@ Editor::Command::Command()
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|  Editor::Command::Command(const EditorInternalCommand* command, EditorCommandSource source, PassRefPtr<Frame> frame)
 | 
|      : m_command(command)
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|      , m_source(source)
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| -    , m_frame(command ? frame : 0)
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| +    , m_frame(command ? frame : nullptr)
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|  {
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|      // Use separate assertions so we can tell which bad thing happened.
 | 
|      if (!command)
 | 
| 
 |