Second try at splitting WebDataService (minus ownership changes)

chrome/browser/webdata/web_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 CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_
 #define CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "sql/connection.h"
@@ skipping 12 matching lines @@
 class FilePath;
 }
 
 namespace content {
 class NotificationService;
 }
 
 // This class manages a SQLite database that stores various web page meta data.
 class WebDatabase {
  public:
+  enum State {
+    COMMIT_NOT_NEEDED,
+    COMMIT_NEEDED
+  };
   // Exposed publicly so the keyword table can access it.
   static const int kCurrentVersionNumber;
 
   WebDatabase();
   virtual ~WebDatabase();
 
   // Initialize the database given a name. The name defines where the SQLite
   // file is. If this returns an error code, no other method should be called.
   // Requires the |app_locale| to be passed as a parameter as the locale can
   // only safely be queried on the UI thread.
@@ skipping 36 matching lines @@
   // Owns all the different database tables that have been added to
   // this object.
   ScopedVector<WebDatabaseTable> tables_;
 
   scoped_ptr<content::NotificationService> notification_service_;
 
   DISALLOW_COPY_AND_ASSIGN(WebDatabase);
 };
 
 #endif  // CHROME_BROWSER_WEBDATA_WEB_DATABASE_H_