Store/Retrieve CrOS user policy in session_manager.

chrome/browser/policy/cros_user_policy_identity_strategy.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 CHROME_BROWSER_POLICY_USER_POLICY_IDENTITY_STRATEGY_H_
-#define CHROME_BROWSER_POLICY_USER_POLICY_IDENTITY_STRATEGY_H_
+#ifndef CHROME_BROWSER_POLICY_CROS_USER_POLICY_IDENTITY_STRATEGY_H_
+#define CHROME_BROWSER_POLICY_CROS_USER_POLICY_IDENTITY_STRATEGY_H_
 #pragma once
 
 #include <string>
 
-#include "base/compiler_specific.h"
 #include "base/file_path.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
 #include "chrome/browser/policy/cloud_policy_identity_strategy.h"
-#include "chrome/browser/policy/user_policy_token_cache.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
 
 class Profile;
 
 namespace policy {
 
 class DeviceManagementBackend;
 
-// A token provider implementation that provides a user device token for the
-// user corresponding to a given profile.
-class UserPolicyIdentityStrategy : public CloudPolicyIdentityStrategy,
-                                   public NotificationObserver,
-                                   public UserPolicyTokenCache::Delegate {
+// User policy identity strategy for ChromeOS user policy. Unlike the generic
+// implementation, it does not keep its own cache but relies on external
+// entities to cache the device credentials. This is usually done by
+// CrosUserPolicyCache.
+class CrosUserPolicyIdentityStrategy : public CloudPolicyIdentityStrategy,
+                                       public NotificationObserver {
  public:
-  UserPolicyIdentityStrategy(Profile* profile,
-                             const FilePath& token_cache_file);
-  virtual ~UserPolicyIdentityStrategy();
+  explicit CrosUserPolicyIdentityStrategy(Profile* profile);
+  virtual ~CrosUserPolicyIdentityStrategy();
 
-  // Start loading the token cache.
-  void LoadTokenCache();
+  // Sets device ID and token and announces its availablility.
+  void SetDeviceCredentials(const std::string& device_id,
+                            const std::string& token);

[gfeher, 2011/06/22 12:41:31]

Is this the device's dmtoken or the user's dmtoken?

[Mattias Nissler (ping if slow), 2011/06/22 17:17:35]

It's the user token. I thought that's obvious since this code is for cros _user_
policy?

+
+  // Allows the identity strategy to register when the required data becomes
+  // available.
+  void EnableRegistration();
 
   // CloudPolicyIdentityStrategy implementation:
   virtual std::string GetDeviceToken() OVERRIDE;
   virtual std::string GetDeviceID() OVERRIDE;
   virtual std::string GetMachineID() OVERRIDE;
   virtual std::string GetMachineModel() OVERRIDE;
   virtual em::DeviceRegisterRequest_Type GetPolicyRegisterType() OVERRIDE;
   virtual std::string GetPolicyType() OVERRIDE;
   virtual bool GetCredentials(std::string* username,
                               std::string* auth_token) OVERRIDE;
   virtual void OnDeviceTokenAvailable(const std::string& token) OVERRIDE;
 
  private:
   // Checks whether a new token should be fetched and if so, sends out a
   // notification.
   void CheckAndTriggerFetch();
 
   // Gets the current user.
   std::string GetCurrentUser();
 
-  // Called from the token cache when the token has been loaded.
-  virtual void OnTokenCacheLoaded(const std::string& token,
-                                  const std::string& device_id) OVERRIDE;
-
   // NotificationObserver method overrides:
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
-                       const NotificationDetails& details) OVERRIDE;
+                       const NotificationDetails& details);
+
+  // Whether the to try and register when credentials are available.
+  bool should_register_;
 
   // The profile this provider is associated with.
   Profile* profile_;
 
-  // Keeps the on-disk copy of the token.
-  scoped_refptr<UserPolicyTokenCache> cache_;
-
   // The device ID we use.
   std::string device_id_;
 
   // Current device token. Empty if not available.
   std::string device_token_;
 
   // Registers the provider for notification of successful Gaia logins.
   NotificationRegistrar registrar_;
 
-  // Allows to construct weak ptrs.
-  base::WeakPtrFactory<UserPolicyTokenCache::Delegate> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(UserPolicyIdentityStrategy);
+  DISALLOW_COPY_AND_ASSIGN(CrosUserPolicyIdentityStrategy);
 };
 
 }  // namespace policy
 
-#endif  // CHROME_BROWSER_POLICY_USER_POLICY_IDENTITY_STRATEGY_H_
+#endif  // CHROME_BROWSER_POLICY_CROS_USER_POLICY_IDENTITY_STRATEGY_H_