[M56] Have a list of pending checks instead of pending clients

components/safe_browsing_db/v4_local_database_manager.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_
 #define COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_
 
 // A class that provides the interface between the SafeBrowsing protocol manager
 // and database that holds the downloaded updates.
 
 #include <memory>
+#include <unordered_set>
 
 #include "base/memory/weak_ptr.h"
 #include "components/safe_browsing_db/database_manager.h"
 #include "components/safe_browsing_db/hit_report.h"
 #include "components/safe_browsing_db/v4_database.h"
 #include "components/safe_browsing_db/v4_get_hash_protocol_manager.h"
 #include "components/safe_browsing_db/v4_protocol_manager_util.h"
 #include "components/safe_browsing_db/v4_update_protocol_manager.h"
 #include "url/gurl.h"
 
@@ skipping 133 matching lines @@
 
   // The stores/lists to always get full hashes for, regardless of which store
   // the hash prefix matched.
   StoresToCheck GetStoresForFullHashRequests() override;
 
  private:
   friend class V4LocalDatabaseManagerTest;
   FRIEND_TEST_ALL_PREFIXES(V4LocalDatabaseManagerTest,
                            TestGetSeverestThreatTypeAndMetadata);
 
-  // The set of clients awaiting a full hash response. It is used for tracking
-  // which clients have cancelled their outstanding request.
-  typedef std::unordered_set<const Client*> PendingClients;
+  // The checks awaiting a full hash response from SafeBrowsing service.
+  typedef std::unordered_set<const PendingCheck*> PendingChecks;
 
   // Called when all the stores managed by the database have been read from
   // disk after startup and the database is ready for checking resource
   // reputation.
   void DatabaseReadyForChecks(std::unique_ptr<V4Database> v4_database);
 
   // Called when all the stores managed by the database have been verified for
   // checksum correctness after startup and the database is ready for applying
   // updates.
   void DatabaseReadyForUpdates(
@@ skipping 86 matching lines @@
 
   // Whether the service is running.
   bool enabled_;
 
   // The list of stores to manage (for hash prefixes and full hashes). Each
   // element contains the identifier for the store, the corresponding
   // SBThreatType, whether to fetch hash prefixes for that store, and the
   // name of the file on disk that would contain the prefixes, if applicable.
   ListInfos list_infos_;
 
-  // The set of clients that are waiting for a full hash response from the
-  // SafeBrowsing service.
-  PendingClients pending_clients_;
+  // The checks awaiting for a full hash response from the SafeBrowsing service.
+  PendingChecks pending_checks_;
 
   // The checks that need to be scheduled when the database becomes ready for
   // use.
   QueuedChecks queued_checks_;
 
   // The sequenced task runner for running safe browsing database operations.
   scoped_refptr<base::SequencedTaskRunner> task_runner_;
 
   // The database that manages the stores containing the hash prefix updates.
   // All writes to this variable must happen on the IO thread only.
   std::unique_ptr<V4Database> v4_database_;
 
   // The protocol manager that downloads the hash prefix updates.
   std::unique_ptr<V4UpdateProtocolManager> v4_update_protocol_manager_;
 
   base::WeakPtrFactory<V4LocalDatabaseManager> weak_factory_;
 
   friend class base::RefCountedThreadSafe<V4LocalDatabaseManager>;
   DISALLOW_COPY_AND_ASSIGN(V4LocalDatabaseManager);
 };  // class V4LocalDatabaseManager
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_V4_LOCAL_DATABASE_MANAGER_H_