Add anonymizer tool

chrome/browser/feedback/system_logs/system_logs_fetcher_base.h

Index: chrome/browser/feedback/system_logs/system_logs_fetcher_base.h
diff --git a/chrome/browser/feedback/system_logs/system_logs_fetcher_base.h b/chrome/browser/feedback/system_logs/system_logs_fetcher_base.h
index 5f881e66db0bcd558b2c141a0beb0a9689937e5a..29a20ab0e6012f1cccc251efa59386df24cf9ffe 100644
--- a/chrome/browser/feedback/system_logs/system_logs_fetcher_base.h
+++ b/chrome/browser/feedback/system_logs/system_logs_fetcher_base.h
@@ -63,15 +63,22 @@ 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);