Kill URLRequestJobTracker.

net/url_request/url_request_job_tracker.h

-// Copyright (c) 2011 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 NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_
-#define NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_
-#pragma once
-
-#include <vector>
-
-#include "base/observer_list.h"
-#include "net/url_request/url_request_status.h"
-
-class GURL;
-
-namespace net {
-class URLRequestJob;
-
-// This class maintains a list of active URLRequestJobs for debugging purposes.
-// This allows us to warn on leaked jobs and also allows an observer to track
-// what is happening, for example, for the network status monitor.
-//
-// NOTE: URLRequest is single-threaded, so this class should only be used
-// onthe same thread where all of the application's URLRequest calls are
-// made.
-//
-class URLRequestJobTracker {
- public:
-  typedef std::vector<URLRequestJob*> JobList;
-  typedef JobList::const_iterator JobIterator;
-
-  // The observer's methods are called on the thread that called AddObserver.
-  class JobObserver {
-   public:
-    virtual ~JobObserver() {}
-
-    // Called after the given job has been added to the list
-    virtual void OnJobAdded(URLRequestJob* job) = 0;
-
-    // Called after the given job has been removed from the list
-    virtual void OnJobRemoved(URLRequestJob* job) = 0;
-
-    // Called when the given job has completed, before notifying the request
-    virtual void OnJobDone(URLRequestJob* job,
-                           const URLRequestStatus& status) = 0;
-
-    // Called when the given job is about to follow a redirect to the given
-    // new URL. The redirect type is given in status_code
-    virtual void OnJobRedirect(URLRequestJob* job, const GURL& location,
-                               int status_code) = 0;
-
-    // Called when a new chunk of unfiltered bytes has been read for
-    // the given job. |byte_count| is the number of bytes for that
-    // read event only. |buf| is a pointer to the data buffer that
-    // contains those bytes. The data in |buf| is only valid for the
-    // duration of the OnBytesRead callback.
-    virtual void OnBytesRead(URLRequestJob* job, const char* buf,
-                             int byte_count) = 0;
-  };
-
-  URLRequestJobTracker();
-  ~URLRequestJobTracker();
-
-  // adds or removes an observer from the list.  note, these methods should
-  // only be called on the same thread where URLRequest objects are used.
-  void AddObserver(JobObserver* observer) {
-    observers_.AddObserver(observer);
-  }
-  void RemoveObserver(JobObserver* observer) {
-    observers_.RemoveObserver(observer);
-  }
-
-  // adds or removes the job from the active list, should be called by the
-  // job constructor and destructor. Note: don't use "AddJob" since that
-  // is #defined by windows.h :(
-  void AddNewJob(URLRequestJob* job);
-  void RemoveJob(URLRequestJob* job);
-
-  // Job status change notifications
-  void OnJobDone(URLRequestJob* job, const URLRequestStatus& status);
-  void OnJobRedirect(URLRequestJob* job, const GURL& location,
-                     int status_code);
-
-  // Bytes read notifications.
-  void OnBytesRead(URLRequestJob* job, const char* buf, int byte_count);
-
-  // allows iteration over all active jobs
-  JobIterator begin() const {
-    return active_jobs_.begin();
-  }
-  JobIterator end() const {
-    return active_jobs_.end();
-  }
-
- private:
-  ObserverList<JobObserver> observers_;
-  JobList active_jobs_;
-};
-
-extern URLRequestJobTracker g_url_request_job_tracker;
-
-}  // namespace net
-
-#endif  // NET_URL_REQUEST_URL_REQUEST_JOB_TRACKER_H_