Upgrade the history database to version 23

chrome/browser/history/android/android_urls_database.cc

 // 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.
 
 #include "chrome/browser/history/android/android_urls_database.h"
 
 #include "base/logging.h"
 
 namespace history {
 
@@ skipping 126 matching lines @@
     return false;
   }
 
   return true;
 }
 
 bool AndroidURLsDatabase::ClearAndroidURLRows() {
   return GetDB().Execute("DELETE FROM android_urls");
 }
 
+bool AndroidURLsDatabase::MigrateToVersion22() {
+  if (!GetDB().DoesTableExist("android_urls"))
+    return true;
+
+  if (!GetDB().Execute("ALTER TABLE android_urls RENAME TO android_urls_tmp"))
+    return false;
+
+  if (!CreateAndroidURLsTable())
+    return false;
+
+  if (!GetDB().Execute(
+      "INSERT INTO android_urls (id, raw_url, url_id) "
+      "SELECT id, raw_url, url_id FROM android_urls_tmp"))
+    return false;
+
+  if (!GetDB().Execute("DROP TABLE android_urls_tmp"))
+    return false;
+
+  return true;
+}
+
 }  // namespace history