SafeBrowsing: Implement cache eviction for API full hash results.

components/safe_browsing_db/database_manager.h

 // Copyright (c) 2012 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.
 //
 // The Safe Browsing service is responsible for downloading anti-phishing and
 // anti-malware tables and checking urls against them.
 
 #ifndef COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_
 #define COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_
 
@@ skipping 216 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
                            CancelApiCheck);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
                            ResultsAreCached);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
                            ResultsAreNotCachedOnNull);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
                            GetCachedResults);
   FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
                            CachedResultsMerged);
+  FRIEND_TEST_ALL_PREFIXES(SafeBrowsingDatabaseManagerTest,
+                           CachedResultsAreEvicted);
 
   typedef std::set<SafeBrowsingApiCheck*> ApiCheckSet;
   typedef std::map<SBPrefix, SBCachedFullHashResult> PrefixToFullHashResultsMap;
   typedef std::map<SBThreatType, PrefixToFullHashResultsMap>
       ThreatTypeToResultsMap;
 
   // Called on the IO thread wheh the SafeBrowsingProtocolManager has received
   // the full hash and api results for prefixes of the |url| argument in
   // CheckApiBlacklistUrl.
   virtual void HandleGetHashesWithApisResults(
@@ skipping 29 matching lines @@
   V4GetHashProtocolManager* v4_get_hash_protocol_manager_;
 
  private:
   // Returns an iterator to the pending API check with the given |client|.
   ApiCheckSet::iterator FindClientApiCheck(Client* client);
 };  // class SafeBrowsingDatabaseManager
 
 }  // namespace safe_browsing
 
 #endif  // COMPONENTS_SAFE_BROWSING_DB_DATABASE_MANAGER_H_