Move DeviceManagementPolicyProvider into the profile.

chrome/browser/policy/device_token_fetcher.h

 // Copyright (c) 2010 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_POLICY_DEVICE_TOKEN_FETCHER_H_
 #define CHROME_BROWSER_POLICY_DEVICE_TOKEN_FETCHER_H_
 #pragma once
 
 #include <string>
 
 #include "base/file_path.h"
 #include "base/ref_counted.h"
 #include "base/waitable_event.h"
 #include "chrome/browser/policy/device_management_backend.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
+class TokenService;
+
 namespace policy {
 
 namespace em = enterprise_management;
 
 // Fetches the device token that can be used for policy requests with the device
 // management server, either from disk if it already has been successfully
 // requested, otherwise from the device management server. An instance of the
 // fetcher is shared as a singleton by all users of the device management token
 // to ensure they all get the same token.
 class DeviceTokenFetcher
     : public NotificationObserver,
       public DeviceManagementBackend::DeviceRegisterResponseDelegate,
       public base::RefCountedThreadSafe<DeviceTokenFetcher> {
  public:
   // Requests to the device management server are sent through |backend|, which
   // is passed in explicitly to simplify mocking of the backend for unit
   // testing. The fetcher uses the directory in |token_dir| in which to store

[markusheintz_, 2010/11/19 11:00:46]

I guess this should be token_path. Pls also address this if applicable.

[Mattias Nissler (ping if slow), 2010/11/19 11:40:02]

Done.

   // the device token once it's retrieved from the server. Should only be called
   // by unit tests.
   DeviceTokenFetcher(DeviceManagementBackend* backend,
+                     TokenService* token_service,

[markusheintz_, 2010/11/19 11:00:46]

Please add an explaination for this parameter to the comment above.

[Mattias Nissler (ping if slow), 2010/11/19 11:40:02]

Done.

                      const FilePath& token_path);
   virtual ~DeviceTokenFetcher() {}
 
   // NotificationObserver method overrides:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // DeviceManagementBackend::DeviceRegisterResponseDelegate method overrides:
   virtual void HandleRegisterResponse(
       const em::DeviceRegisterResponse& response);
   virtual void OnError(DeviceManagementBackend::ErrorCode code);
 
   // Called by subscribers of the device management token to indicate that they
   // will need the token in the future. Must be called on the UI thread.
   void StartFetching();
 
+  // Instructs the fetcher to shut down, before the backend and token service
+  // references become stale.
+  void Shutdown();
+
   // Returns true if there is a pending token request to the device management
   // server.
   bool IsTokenPending();
 
   // Returns the device management token for this device, blocking until
   // outstanding requests to the device management server are satisfied.  In the
   // case that the token could not be fetched, an empty string is returned.
   std::string GetDeviceToken();
 
   // Returns the device ID for this device. If no such ID has been set yet, a
@@ skipping 49 matching lines @@
   static void WriteDeviceTokenToDisk(const FilePath& path,
                                      const std::string& token,
                                      const std::string& device_id);
 
   // Generates a new device ID used to register the device with the device
   // management server and generate the device token.
   static std::string GenerateNewDeviceID();
 
   FilePath token_path_;
   DeviceManagementBackend* backend_;  // weak
+  TokenService* token_service_;
   FetcherState state_;
   std::string device_token_;
   std::string device_id_;
 
   // Contains the AuthToken for the device management server. Empty if the
   // AuthToken hasn't been issued yet or that was an error getting the
   // AuthToken.
   std::string auth_token_;
 
   // An event that is signaled only once the device token has been fetched
   // or it has been determined that there was an error during fetching.
   base::WaitableEvent device_token_load_complete_event_;
 
   // Registers the fetcher for notification of successful Gaia logins.
   NotificationRegistrar registrar_;
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_DEVICE_TOKEN_FETCHER_H_