Replace c/b/nss_context by a KeyedService.

chrome/browser/certificate_manager_model.h

 // 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.
 
 #ifndef CHROME_BROWSER_CERTIFICATE_MANAGER_MODEL_H_
 #define CHROME_BROWSER_CERTIFICATE_MANAGER_MODEL_H_
 
 #include <map>
 #include <string>
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "net/cert/nss_cert_database.h"
 
+namespace cert_database {
+class CertDatabaseServiceIOPart;
+}
+
 namespace content {
 class BrowserContext;
 class ResourceContext;
-}  // namespace content
+}
 
 // CertificateManagerModel provides the data to be displayed in the certificate
 // manager dialog, and processes changes from the view.
 class CertificateManagerModel {
  public:
   // Map from the subject organization name to the list of certs from that
   // organization.  If a cert does not have an organization name, the
   // subject's CertPrincipal::GetDisplayName() value is used instead.
   typedef std::map<std::string, net::CertificateList> OrgGroupingMap;
 
@@ skipping 103 matching lines @@
   static void DidGetCertDBOnUIThread(
       net::NSSCertDatabase* cert_db,
       bool is_user_db_available,
       bool is_tpm_available,
       CertificateManagerModel::Observer* observer,
       const CreationCallback& callback);
   static void DidGetCertDBOnIOThread(
       CertificateManagerModel::Observer* observer,
       const CreationCallback& callback,
       net::NSSCertDatabase* cert_db);
-  static void GetCertDBOnIOThread(content::ResourceContext* context,
-                                  CertificateManagerModel::Observer* observer,
-                                  const CreationCallback& callback);
+  static void GetCertDBOnIOThread(
+      base::WeakPtr<cert_database::CertDatabaseServiceIOPart>
+          cert_db_service_io,
+      CertificateManagerModel::Observer* observer,
+      const CreationCallback& callback);
 
   // Callback used by Refresh() for when the cert slots have been unlocked.
   // This method does the actual refreshing.
   void RefreshSlotsUnlocked();
 
   net::NSSCertDatabase* cert_db_;
   net::CertificateList cert_list_;
   // Whether the certificate database has a public slot associated with the
   // profile. If not set, importing certificates is not allowed with this model.
   bool is_user_db_available_;
   bool is_tpm_available_;
 
   // The observer to notify when certificate list is refreshed.
   Observer* observer_;
 
   DISALLOW_COPY_AND_ASSIGN(CertificateManagerModel);
 };
 
 #endif  // CHROME_BROWSER_CERTIFICATE_MANAGER_MODEL_H_