SafeBrowsing PVer4: Send mutable response to the database and the stores

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 7b510de3dedf59396fa290aebdfe411106bfd1b5..6b81e8b5c0bf5703aded8ee36d5e1c0bb47b20a3 100644
--- a/components/safe_browsing_db/v4_protocol_manager_util.h
+++ b/components/safe_browsing_db/v4_protocol_manager_util.h
@@ -58,7 +58,7 @@ struct UpdateListIdentifier {
   ThreatType threat_type;
 
   UpdateListIdentifier(PlatformType, ThreatEntryType, ThreatType);
-  UpdateListIdentifier(const ListUpdateResponse&);
+  explicit UpdateListIdentifier(const ListUpdateResponse&);
 
   bool operator==(const UpdateListIdentifier& other) const;
   bool operator!=(const UpdateListIdentifier& other) const;
@@ -82,6 +82,9 @@ typedef base::hash_map<UpdateListIdentifier, std::string> StoreFileNameMap;
 // Represents the state of each store.
 typedef base::hash_map<UpdateListIdentifier, std::string> StoreStateMap;
 
+// Sever response, parsed in vector form.
+typedef std::vector<std::unique_ptr<ListUpdateResponse>> ParsedServerResponse;
+
 // Enumerate failures for histogramming purposes.  DO NOT CHANGE THE
 // ORDERING OF THESE VALUES.
 enum V4OperationResult {