668   base::hash_set<FilePath::StringType> unique_extensions;  in GetImageExtensions()  local
672                       &unique_extensions);  in GetImageExtensions()
673   HashSetToVector(&unique_extensions, extensions);  in GetImageExtensions()
677   base::hash_set<FilePath::StringType> unique_extensions;  in GetAudioExtensions()  local
681                       &unique_extensions);  in GetAudioExtensions()
682   HashSetToVector(&unique_extensions, extensions);  in GetAudioExtensions()
686   base::hash_set<FilePath::StringType> unique_extensions;  in GetVideoExtensions()  local
690                       &unique_extensions);  in GetVideoExtensions()
691   HashSetToVector(&unique_extensions, extensions);  in GetVideoExtensions()
696   base::hash_set<FilePath::StringType> unique_extensions;  in GetExtensionsForMimeType()  local
699     unique_extensions.insert(extension);  in GetExtensionsForMimeType()
706                                      &unique_extensions);  in GetExtensionsForMimeType()
711                                      &unique_extensions);  in GetExtensionsForMimeType()
713   HashSetToVector(&unique_extensions, extensions);  in GetExtensionsForMimeType()