Browsing Data Deletion: Style fixes

chrome/browser/browsing_data/mock_browsing_data_database_helper.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_BROWSING_DATA_MOCK_BROWSING_DATA_DATABASE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_DATABASE_HELPER_H_
 
 #include <list>
 #include <map>
+#include <string>
 
 #include "base/callback.h"
 #include "chrome/browser/browsing_data/browsing_data_database_helper.h"
 
 // Mock for BrowsingDataDatabaseHelper.
 // Use AddDatabaseSamples() or add directly to response_ list, then call
 // Notify().
 class MockBrowsingDataDatabaseHelper : public BrowsingDataDatabaseHelper {
  public:
   explicit MockBrowsingDataDatabaseHelper(Profile* profile);
@@ skipping 24 matching lines @@
 
  private:
   virtual ~MockBrowsingDataDatabaseHelper();
 
   base::Callback<void(const std::list<DatabaseInfo>&)> callback_;
 
   // Stores which databases exist.
   std::map<const std::string, bool> databases_;
 
   std::list<DatabaseInfo> response_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockBrowsingDataDatabaseHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_DATABASE_HELPER_H_