sync: add CleanupDisabledTypesCommand to purge data pertaining to previously...

chrome/browser/sync/syncable/directory_backing_store.h

 // Copyright (c) 2009 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 CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_
 #define CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 63 matching lines @@
   virtual bool SaveChanges(const Directory::SaveChangesSnapshot& snapshot);
 
  private:
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MigrateVersion67To68);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MigrateVersion68To69);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MigrateVersion69To70);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MigrateVersion70To71);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, MigrateVersion71To72);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, ModelTypeIds);
   FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, Corruption);
+  FRIEND_TEST_ALL_PREFIXES(DirectoryBackingStoreTest, DeleteEntries);
   FRIEND_TEST_ALL_PREFIXES(MigrationTest, ToCurrentVersion);
   friend class MigrationTest;
 
   // General Directory initialization and load helpers.
   DirOpenResult InitializeTables();
   // Returns an sqlite return code, usually SQLITE_DONE.
   int CreateTables();
 
   // Create 'share_info' or 'temp_share_info' depending on value of
   // is_temporary.  Returns an sqlite return code, SQLITE_DONE on success.
@@ skipping 21 matching lines @@
 
   // Creates a new sqlite3 handle to the backing database. Sets sqlite operation
   // timeout preferences and registers our overridden sqlite3 operators for
   // said handle.  Returns true on success, false if the sqlite open operation
   // did not succeed.
   bool OpenAndConfigureHandleHelper(sqlite3** handle) const;
   // Initialize and destroy load_dbhandle_.  Broken out for testing.
   bool BeginLoad();
   void EndLoad();
 
+  // Close save_dbhandle_.  Broken out for testing.
+  void EndSave();
+
+  // Removes each entry whose metahandle is in |handles| from the database.
+  // Does synchronous I/O.  Returns false on error.
+  bool DeleteEntries(const MetahandleSet& handles);
+
   // Lazy creation of save_dbhandle_ for use by SaveChanges code path.
   sqlite3* LazyGetSaveHandle();
 
   // Drop all tables in preparation for reinitialization.
   void DropAllTables();
 
   // Serialization helpers for syncable::ModelType.  These convert between
   // the ModelType enum and the values we persist in the database to identify
   // a model.  We persist a default instance of the specifics protobuf as the
   // ID, rather than the enum value.
@@ skipping 34 matching lines @@
   // Set to true if migration left some old columns around that need to be
   // discarded.
   bool needs_column_refresh_;
 
   DISALLOW_COPY_AND_ASSIGN(DirectoryBackingStore);
 };
 
 }  // namespace syncable
 
 #endif  // CHROME_BROWSER_SYNC_SYNCABLE_DIRECTORY_BACKING_STORE_H_