PVer4: Re-use the PVer3 implementation to get full hashes

components/safe_browsing_db/v4_protocol_manager_util.h

Index: components/safe_browsing_db/v4_protocol_manager_util.h
diff --git a/components/safe_browsing_db/v4_protocol_manager_util.h b/components/safe_browsing_db/v4_protocol_manager_util.h
index 467f60418d58946d4d484ecb5d542f2cca6a91a2..c0c69d277089807bfbcf0438a087a64961c9f7d6 100644
--- a/components/safe_browsing_db/v4_protocol_manager_util.h
+++ b/components/safe_browsing_db/v4_protocol_manager_util.h
@@ -22,6 +22,13 @@ namespace net {
 class HttpRequestHeaders;
 }  // namespace net
 
+struct EnumClassHash {
+  template <typename T>
+  std::size_t operator()(T t) const {
+    return static_cast<std::size_t>(t);
+  }
+};
+
 namespace safe_browsing {
 
 // A hash prefix sent by the SafeBrowsing PVer4 service.
@@ -217,6 +224,10 @@ class V4ProtocolManagerUtil {
   DISALLOW_COPY_AND_ASSIGN(V4ProtocolManagerUtil);
 };
 
+typedef base::hash_set<PlatformType, EnumClassHash> PlatformTypeSet;
+typedef base::hash_set<ThreatEntryType, EnumClassHash> ThreatEntryTypeSet;
+typedef base::hash_set<ThreatType, EnumClassHash> ThreatTypeSet;

[Scott Hess - ex-Googler, 2016/08/23 20:25:46]

These feel like more-expensive versions of std::bit_set<>, both in terms of
storage and CPU.

+
 }  // namespace safe_browsing
 
 namespace std {