| Index: components/sync/base/extensions_activity.h
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| diff --git a/components/sync/base/extensions_activity.h b/components/sync/base/extensions_activity.h
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| index 1d3c8848b1c9c3d937ff4d0878f26f9dfa57a598..fa16bab0a6f4e7e4d2e84b156d5890c1781eccde 100644
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| --- a/components/sync/base/extensions_activity.h
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| +++ b/components/sync/base/extensions_activity.h
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| @@ -35,7 +35,7 @@ class ExtensionsActivity
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|      uint32_t bookmark_write_count;
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|    };
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|  
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| -  typedef std::map<std::string, Record> Records;
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| +  using Records = std::map<std::string, Record>;
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|  
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|    ExtensionsActivity();
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|  
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| 
 |