Browsing Data Deletion: Style fixes

chrome/browser/browsing_data/mock_browsing_data_file_system_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_FILE_SYSTEM_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_FILE_SYSTEM_HELPER_H_
 
 #include <list>
 #include <map>
+#include <string>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "chrome/browser/browsing_data/browsing_data_file_system_helper.h"
 
 // Mock for BrowsingDataFileSystemHelper.
 // Use AddFileSystemSamples() or add directly to response_ list, then call
 // Notify().
 class MockBrowsingDataFileSystemHelper : public BrowsingDataFileSystemHelper {
  public:
@@ skipping 27 matching lines @@
 
  private:
   virtual ~MockBrowsingDataFileSystemHelper();
 
   base::Callback<void(const std::list<FileSystemInfo>&)> callback_;
 
   // Stores which filesystems exist.
   std::map<const std::string, bool> file_systems_;
 
   std::list<FileSystemInfo> response_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockBrowsingDataFileSystemHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_MOCK_BROWSING_DATA_FILE_SYSTEM_HELPER_H_