SBPrefix          218 chrome/browser/safe_browsing/database_manager.h   typedef base::hash_map<SBPrefix, GetHashRequestors> GetHashRequests;
SBPrefix           87 chrome/browser/safe_browsing/prefix_set.h   typedef std::pair<SBPrefix,uint32> IndexPair;
SBPrefix           25 chrome/browser/safe_browsing/safe_browsing_util.h typedef uint32 SBPrefix;