[appcache] Don't write during startup.

content/browser/appcache/appcache_database.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.
 
 #ifndef CONTENT_BROWSER_APPCACHE_APPCACHE_DATABASE_H_
 #define CONTENT_BROWSER_APPCACHE_APPCACHE_DATABASE_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 98 matching lines @@
   bool FindOriginsWithGroups(std::set<GURL>* origins);
   bool FindLastStorageIds(
       int64* last_group_id, int64* last_cache_id, int64* last_response_id,
       int64* last_deletable_response_rowid);
 
   bool FindGroup(int64 group_id, GroupRecord* record);
   bool FindGroupForManifestUrl(const GURL& manifest_url, GroupRecord* record);
   bool FindGroupsForOrigin(
       const GURL& origin, std::vector<GroupRecord>* records);
   bool FindGroupForCache(int64 cache_id, GroupRecord* record);
-  bool UpdateGroupLastAccessTime(
+  bool UpdateLastAccessTime(
       int64 group_id, base::Time last_access_time);
+  bool LazyUpdateLastAccessTime(
+      int64 group_id, base::Time last_access_time);
+  bool CommitLazyLastAccessTimes();  // The destructor calls this too.
   bool InsertGroup(const GroupRecord* record);
   bool DeleteGroup(int64 group_id);
 
   bool FindCache(int64 cache_id, CacheRecord* record);
   bool FindCacheForGroup(int64 group_id, CacheRecord* record);
   bool FindCachesForOrigin(
       const GURL& origin, std::vector<CacheRecord>* records);
   bool InsertCache(const CacheRecord* record);
   bool DeleteCache(int64 cache_id);
 
@@ skipping 82 matching lines @@
   // Deletes the existing database file and the entire directory containing
   // the database file including the disk cache in which response headers
   // and bodies are stored, and then creates a new database file.
   bool DeleteExistingAndCreateNewDatabase();
 
   void OnDatabaseError(int err, sql::Statement* stmt);
 
   base::FilePath db_file_path_;
   scoped_ptr<sql::Connection> db_;
   scoped_ptr<sql::MetaTable> meta_table_;
+  std::map<int64, base::Time> lazy_last_access_times_;
   bool is_disabled_;
   bool is_recreating_;
   bool was_corruption_detected_;
 
   friend class content::AppCacheDatabaseTest;
   friend class content::AppCacheStorageImplTest;
 
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, CacheRecords);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, EntryRecords);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, QuickIntegrityCheck);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, NamespaceRecords);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, GroupRecords);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, LazyOpen);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, ExperimentalFlags);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest,
                            OnlineWhiteListRecords);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, ReCreate);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, DeletableResponseIds);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, OriginUsage);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, UpgradeSchema3to5);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, UpgradeSchema4to5);
   FRIEND_TEST_ALL_PREFIXES(content::AppCacheDatabaseTest, WasCorrutionDetected);
 
   DISALLOW_COPY_AND_ASSIGN(AppCacheDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_APPCACHE_APPCACHE_DATABASE_H_