Convert UserPolicySigninService to use OAuth2TokenService

chrome/browser/policy/cloud/user_policy_signin_service_android.h

 // Copyright 2013 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_CLOUD_USER_POLICY_SIGNIN_SERVICE_ANDROID_H_
 #define CHROME_BROWSER_POLICY_CLOUD_USER_POLICY_SIGNIN_SERVICE_ANDROID_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "chrome/browser/policy/cloud/user_policy_signin_service_base.h"
 
+class AndroidProfileOAuth2TokenService;
 class Profile;
 
 namespace policy {
 
 class CloudPolicyClientRegistrationHelper;
 
 // A specialization of the UserPolicySigninServiceBase for Android.
 class UserPolicySigninService : public UserPolicySigninServiceBase {
  public:
   // Creates a UserPolicySigninService associated with the passed |profile|.
   UserPolicySigninService(Profile* profile,
                           PrefService* local_state,
-                          DeviceManagementService* device_management_service);
+                          DeviceManagementService* device_management_service,
+                          AndroidProfileOAuth2TokenService* token_service);
   virtual ~UserPolicySigninService();
 
   // Registers a CloudPolicyClient for fetching policy for |username|.
   // This requests an OAuth2 token for the services involved, and contacts
   // the policy service if the account has management enabled.
   // |callback| is invoked once the CloudPolicyClient is ready to fetch policy,
   // or once it is determined that |username| is not a managed account.
   void RegisterPolicyClient(const std::string& username,
                             const PolicyRegistrationCallback& callback);
 
@@ skipping 11 matching lines @@
   void RegisterCloudPolicyService();
 
   // Cancels a pending cloud policy registration attempt.
   void CancelPendingRegistration();
 
   void OnRegistrationDone();
 
   scoped_ptr<CloudPolicyClientRegistrationHelper> registration_helper_;
   base::WeakPtrFactory<UserPolicySigninService> weak_factory_;
 
+  // Weak pointer to the token service used to authenticate the
+  // CloudPolicyClient during registration.
+  AndroidProfileOAuth2TokenService* oauth2_token_service_;
+
   DISALLOW_COPY_AND_ASSIGN(UserPolicySigninService);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CLOUD_USER_POLICY_SIGNIN_SERVICE_ANDROID_H_