policy: Remove SigninManager from UserCloudPolicyStore.

chrome/browser/policy/cloud/user_policy_signin_service.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/browser/policy/cloud/user_policy_signin_service.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 102 matching lines @@
 
   std::string username = GetSigninManager()->GetAuthenticatedUsername();
   // Should not have OAuth tokens if the user isn't signed in.
   DCHECK(!username.empty());
   // ProfileOAuth2TokenService now has a refresh token so initialize the
   // UserCloudPolicyManager.
   InitializeForSignedInUser(username);
 }
 
 void UserPolicySigninService::InitializeUserCloudPolicyManager(
+    const std::string& username,
     scoped_ptr<CloudPolicyClient> client) {
-  UserPolicySigninServiceBase::InitializeUserCloudPolicyManager(client.Pass());
+  UserPolicySigninServiceBase::InitializeUserCloudPolicyManager(username,
+                                                                client.Pass());
   ProhibitSignoutIfNeeded();
 }
 
 void UserPolicySigninService::ShutdownUserCloudPolicyManager() {
   UserCloudPolicyManager* manager = GetManager();
   // Allow the user to signout again.
   if (manager)
     GetSigninManager()->ProhibitSignout(false);
   UserPolicySigninServiceBase::ShutdownUserCloudPolicyManager();
 }
@@ skipping 49 matching lines @@
 }
 
 void UserPolicySigninService::ProhibitSignoutIfNeeded() {
   if (GetManager()->IsClientRegistered()) {
     DVLOG(1) << "User is registered for policy - prohibiting signout";
     GetSigninManager()->ProhibitSignout(true);
   }
 }
 
 }  // namespace policy