Move full hash caching logic to v4_get_hash_protocol_manager

components/safe_browsing_db/util.cc

Index: components/safe_browsing_db/util.cc
diff --git a/components/safe_browsing_db/util.cc b/components/safe_browsing_db/util.cc
index f86fc771b1a99fe6c9932713ebfa49e9b82a135f..737af8c9e4d294e2438f33d6d713e4aac92096ed 100644
--- a/components/safe_browsing_db/util.cc
+++ b/components/safe_browsing_db/util.cc
@@ -38,6 +38,16 @@ ThreatMetadata::ThreatMetadata(const ThreatMetadata& other) = default;
 
 ThreatMetadata::~ThreatMetadata() {}
 
+bool ThreatMetadata::operator==(const ThreatMetadata& other) const {
+  return threat_pattern_type == other.threat_pattern_type &&
+         api_permissions == other.api_permissions &&
+         population_id == other.population_id;
+}
+
+bool ThreatMetadata::operator!=(const ThreatMetadata& other) const {
+  return !operator==(other);
+}
+
 // SBCachedFullHashResult ------------------------------------------------------
 
 SBCachedFullHashResult::SBCachedFullHashResult() {}