Add anonymizer tool

chrome/browser/feedback/system_logs/system_logs_fetcher_base.h

 // Copyright 2013 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_FEEDBACK_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_BASE_H_
 #define CHROME_BROWSER_FEEDBACK_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_BASE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 42 matching lines @@
 //      //do something with the logs
 //   }
 //   void GetLogs() {
 //     SystemLogsFetcherBase* fetcher = new SystemLogsFetcherBase();
 //     fetcher->Fetch(base::Bind(&Example::ProcessLogs, this));
 //   }
 class SystemLogsFetcherBase
     : public base::SupportsWeakPtr<SystemLogsFetcherBase> {
  public:
   SystemLogsFetcherBase();
-  ~SystemLogsFetcherBase();
+  virtual ~SystemLogsFetcherBase();
 
   void Fetch(const SysLogsFetcherCallback& callback);
 
  protected:
-  // Callback passed to all the data sources. It merges the |data| it receives
-  // into response_. When all the data sources have responded, it deletes their
-  // objects and returns the response to the callback_. After this it
-  // deletes this instance of the object.
+  // Callback passed to all the data sources. Calls Rewrite() and AddResponse().
+  void OnFetched(const std::string& source_name, SystemLogsResponse* response);
+
+  // Virtual function that allows derived classes to modify the response before
+  // it gets added to the output.
+  virtual void Rewrite(const std::string& source_name,
+                       SystemLogsResponse* response);
+
+  // Merges the |data| it receives into response_. When all the data sources
+  // have responded, it deletes their objects and returns the response to the
+  // callback_. After this it deletes this instance of the object.
   void AddResponse(const std::string& source_name,
                    SystemLogsResponse* response);
 
   ScopedVector<SystemLogsSource> data_sources_;
   SysLogsFetcherCallback callback_;
 
   scoped_ptr<SystemLogsResponse> response_;  // The actual response data.
   size_t num_pending_requests_;   // The number of callbacks it should get.
 
  private:
 
   DISALLOW_COPY_AND_ASSIGN(SystemLogsFetcherBase);
 };
 
 }  // namespace system_logs
 
 #endif  // CHROME_BROWSER_FEEDBACK_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_BASE_H_