Browsing Data Deletion: Style fixes

chrome/browser/browsing_data/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_BROWSING_DATA_DATABASE_HELPER_H_
 #define CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_DATABASE_HELPER_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 54 matching lines @@
   void NotifyInUIThread();
 
   // Access to |database_info_| is triggered indirectly via the UI thread and
   // guarded by |is_fetching_|. This means |database_info_| is only accessed
   // while |is_fetching_| is true. The flag |is_fetching_| is only accessed on
   // the UI thread.
   // In the context of this class |database_info_| is only accessed on the FILE
   // thread.
   std::list<DatabaseInfo> database_info_;
 
-  // This only mutates on the UI thread.
+  // This member is only mutated on the UI thread.
   base::Callback<void(const std::list<DatabaseInfo>&)> completion_callback_;
 
   // Indicates whether or not we're currently fetching information:
   // it's true when StartFetching() is called in the UI thread, and it's reset
   // after we notify the callback in the UI thread.
-  // This only mutates on the UI thread.
+  // This member is only mutated on the UI thread.
   bool is_fetching_;
 
  private:
   // Enumerates all databases. This must be called in the FILE thread.
   void FetchDatabaseInfoOnFileThread();
 
   // Delete a single database file. This must be called in the FILE thread.
   void DeleteDatabaseOnFileThread(const std::string& origin,
                                   const std::string& name);
 
@@ skipping 57 matching lines @@
   virtual ~CannedBrowsingDataDatabaseHelper();
 
   std::set<PendingDatabaseInfo> pending_database_info_;
 
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(CannedBrowsingDataDatabaseHelper);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_BROWSING_DATA_DATABASE_HELPER_H_