AppCache: Run a quick integrity check on the sqlite database when opening.

webkit/browser/appcache/appcache_database.h

Index: webkit/browser/appcache/appcache_database.h
diff --git a/webkit/browser/appcache/appcache_database.h b/webkit/browser/appcache/appcache_database.h
index fedd068e35d1f7db483ec9bd76c955ee27c6a525..11d8f28bc4c98bd42d0bfd93f4de259daf33b3ae 100644
--- a/webkit/browser/appcache/appcache_database.h
+++ b/webkit/browser/appcache/appcache_database.h
@@ -188,6 +188,7 @@ class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheDatabase {
 
   // Database creation
   bool LazyOpen(bool create_if_needed);
+  bool QuickIntegrityCheck();
   bool EnsureDatabaseVersion();
   bool CreateSchema();
   bool UpgradeSchema();
@@ -207,6 +208,7 @@ class WEBKIT_STORAGE_BROWSER_EXPORT AppCacheDatabase {
 
   FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, CacheRecords);
   FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, EntryRecords);
+  FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, QuickIntegrityCheck);
   FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, NamespaceRecords);
   FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, GroupRecords);
   FRIEND_TEST_ALL_PREFIXES(AppCacheDatabaseTest, LazyOpen);