Use scrubbed logs for sending with feedback reports.

chrome/browser/chromeos/system_logs/system_logs_fetcher.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_CHROMEOS_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_H_
-#define CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_H_
-
-#include <map>
-#include <string>
-
-#include "base/callback.h"
-#include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
-
-namespace chromeos {
-
-typedef std::map<std::string, std::string> SystemLogsResponse;
-
-// Callback that the data sources use to return data.
-typedef base::Callback<void(SystemLogsResponse* response)>
-    SysLogsSourceCallback;
-
-// Callback that the SystemLogsFetcher uses to return data.
-typedef base::Callback<void(scoped_ptr<SystemLogsResponse> response)>
-    SysLogsFetcherCallback;
-
-// The SystemLogsSource provides a interface for the data sources that
-// the SystemLogsFetcher class uses to fetch logs and other
-// information.
-class SystemLogsSource {
- public:
-  // Fetches data and passes it by to the callback
-  virtual void Fetch(const SysLogsSourceCallback& callback) = 0;
-  virtual ~SystemLogsSource() {}
-};
-
-// The SystemLogsFetcher creates a list of data sources which must be
-// classes that implement the SystemLogsSource. It's Fetch function
-// receives as a parameter a callback that takes only one parameter
-// SystemLogsResponse that is a map of keys and values.
-// Each data source also returns a SystemLogsResponse. If two data sources
-// return the same key, only the first one will be stored.
-// The class runs on the UI thread.
-//
-// EXAMPLE:
-// class Example {
-//  public:
-//   void ProcessLogs(SystemLogsResponse* response) {
-//      //do something with the logs
-//   }
-//   void GetLogs() {
-//     SystemLogsFetcher* fetcher = new SystemLogsFetcher();
-//     fetcher->Fetch(base::Bind(&Example::ProcessLogs, this));
-//   }
-class SystemLogsFetcher {
- public:
-  SystemLogsFetcher();
-  ~SystemLogsFetcher();
-
-  void Fetch(const SysLogsFetcherCallback& callback);
-
- private:
-  // Callback passed to all the data sources. It merges the |data| it recieves
-  // 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(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.
-
-  base::WeakPtrFactory<SystemLogsFetcher> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(SystemLogsFetcher);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_SYSTEM_LOGS_SYSTEM_LOGS_FETCHER_H_
-