Browsing Data Deletion: Style fixes

chrome/browser/browsing_data/mock_browsing_data_flash_lso_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_FLASH_LSO_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_FLASH_LSO_HELPER_H_
 
+#include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "chrome/browser/browsing_data/browsing_data_flash_lso_helper.h"
 
 class MockBrowsingDataFlashLSOHelper : public BrowsingDataFlashLSOHelper {
  public:
   explicit MockBrowsingDataFlashLSOHelper(
       content::BrowserContext* browser_context);
 
@@ skipping 10 matching lines @@
 
   // Returns true if the domain list is empty.
   bool AllDeleted();
 
  private:
   virtual ~MockBrowsingDataFlashLSOHelper();
 
   GetSitesWithFlashDataCallback callback_;
 
   std::vector<std::string> domains_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockBrowsingDataFlashLSOHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_FLASH_LSO_HELPER_H_