| Index: components/sync/model/data_type_error_handler_impl.h
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| diff --git a/components/sync/model/data_type_error_handler_impl.h b/components/sync/model/data_type_error_handler_impl.h
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| index 7526b6ae8bfbed3e204e590e6742aba3df5f97ad..857d8102edaf9bc8f8d5196cb1abdcc09deabd6c 100644
 | 
| --- a/components/sync/model/data_type_error_handler_impl.h
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| +++ b/components/sync/model/data_type_error_handler_impl.h
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| @@ -19,7 +19,7 @@ namespace syncer {
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|  // The standard implementation of DataTypeErrorHandler.
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|  class DataTypeErrorHandlerImpl : public DataTypeErrorHandler {
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|   public:
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| -  typedef base::Callback<void(const SyncError&)> ErrorCallback;
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| +  using ErrorCallback = base::Callback<void(const SyncError&)>;
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|  
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|    DataTypeErrorHandlerImpl(
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|        const scoped_refptr<base::SingleThreadTaskRunner>& ui_thread,
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| 
 |