1// Copyright (c) 2009 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "chrome/browser/net/url_request_tracking.h"
6
7#include "base/basictypes.h"
8#include "net/url_request/url_request.h"
9
10namespace {
11
12// The value is not important, this address is used as the unique key for the
13// PID.
14const void* kOriginPidKey = 0;
15
16class OriginPidData : public net::URLRequest::UserData {
17 public:
18  explicit OriginPidData(int pid) : pid_(pid) {}
19  virtual ~OriginPidData() {}
20
21  int pid() const { return pid_; }
22  void set_pid(int pid) { pid_ = pid; }
23
24 private:
25  int pid_;
26
27  DISALLOW_COPY_AND_ASSIGN(OriginPidData);
28};
29
30}  // namespace
31
32namespace chrome_browser_net {
33
34void SetOriginPIDForRequest(int pid, net::URLRequest* request) {
35  // The request will take ownership.
36  request->SetUserData(&kOriginPidKey, new OriginPidData(pid));
37}
38
39int GetOriginPIDForRequest(const net::URLRequest* request) {
40  const OriginPidData* data = static_cast<const OriginPidData*>(
41      request->GetUserData(&kOriginPidKey));
42  if (!data)
43    return 0;
44  return data->pid();
45}
46
47}  // namespace chrome_browser_net
48