| Index: components/sync/engine_impl/attachments/attachment_downloader_impl.h
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| diff --git a/components/sync/engine_impl/attachments/attachment_downloader_impl.h b/components/sync/engine_impl/attachments/attachment_downloader_impl.h
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| index 85a762cc85b5a4ff304e3f6a3053d9f0b9368256..2a4cef8a65f0fba0095b8f5b4d0eab382bb0baf1 100644
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| --- a/components/sync/engine_impl/attachments/attachment_downloader_impl.h
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| +++ b/components/sync/engine_impl/attachments/attachment_downloader_impl.h
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| @@ -82,10 +82,10 @@ class AttachmentDownloaderImpl : public AttachmentDownloader,
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|    FRIEND_TEST_ALL_PREFIXES(AttachmentDownloaderImplTest, ExtractCrc32c_Empty);
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|  
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|    struct DownloadState;
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| -  typedef std::string AttachmentUrl;
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| -  typedef std::unordered_map<AttachmentUrl, std::unique_ptr<DownloadState>>
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| -      StateMap;
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| -  typedef std::vector<DownloadState*> StateList;
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| +  using AttachmentUrl = std::string;
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| +  using StateMap =
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| +      std::unordered_map<AttachmentUrl, std::unique_ptr<DownloadState>>;
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| +  using StateList = std::vector<DownloadState*>;
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|  
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|    std::unique_ptr<net::URLFetcher> CreateFetcher(
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|        const AttachmentUrl& url,
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| 
 |