Replace c/b/nss_context by a KeyedService.

net/ssl/client_cert_store_chromeos.cc

-// 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.
-
-#include "net/ssl/client_cert_store_chromeos.h"
-
-#include <cert.h>
-
-#include "base/bind.h"
-#include "crypto/nss_crypto_module_delegate.h"
-#include "crypto/nss_util_internal.h"
-
-namespace net {
-
-namespace {
-
-typedef base::Callback<void(crypto::ScopedPK11Slot system_slot,
-                            crypto::ScopedPK11Slot private_slot)>
-    GetSystemAndPrivateSlotCallback;
-
-// Gets the private slot for the user with the username hash |username_hash| and
-// calls |callback| with both |system_slot| and the obtained private slot.
-void GetPrivateSlotAndCallBack(const std::string& username_hash,
-                               const GetSystemAndPrivateSlotCallback& callback,
-                               crypto::ScopedPK11Slot system_slot) {
-  base::Callback<void(crypto::ScopedPK11Slot)> wrapped_callback =
-      base::Bind(callback, base::Passed(&system_slot));
-
-  crypto::ScopedPK11Slot slot(
-      crypto::GetPrivateSlotForChromeOSUser(username_hash, wrapped_callback));
-  if (slot)
-    wrapped_callback.Run(slot.Pass());
-}
-
-// Gets the system slot, then the private slot for the user with the username
-// hash |username_hash|, and finally calls |callback| with both slots.
-void GetSystemAndPrivateSlot(const std::string& username_hash,
-                             const GetSystemAndPrivateSlotCallback& callback) {
-  crypto::ScopedPK11Slot system_slot(crypto::GetSystemNSSKeySlot(
-      base::Bind(&GetPrivateSlotAndCallBack, username_hash, callback)));
-  if (system_slot)
-    GetPrivateSlotAndCallBack(username_hash, callback, system_slot.Pass());
-}
-
-}  // namespace
-
-ClientCertStoreChromeOS::ClientCertStoreChromeOS(
-    bool use_system_slot,
-    const std::string& username_hash,
-    const PasswordDelegateFactory& password_delegate_factory)
-    : ClientCertStoreNSS(password_delegate_factory),
-      use_system_slot_(use_system_slot),
-      username_hash_(username_hash) {
-}
-
-ClientCertStoreChromeOS::~ClientCertStoreChromeOS() {}
-
-void ClientCertStoreChromeOS::GetClientCerts(
-    const SSLCertRequestInfo& cert_request_info,
-    CertificateList* selected_certs,
-    const base::Closure& callback) {
-  GetSystemAndPrivateSlotCallback bound_callback =
-      base::Bind(&ClientCertStoreChromeOS::DidGetSystemAndPrivateSlot,
-                 // Caller is responsible for keeping the ClientCertStore alive
-                 // until the callback is run.
-                 base::Unretained(this),
-                 &cert_request_info,
-                 selected_certs,
-                 callback);
-
-  if (use_system_slot_) {
-    GetSystemAndPrivateSlot(username_hash_, bound_callback);
-  } else {
-    // Skip getting the system slot.
-    GetPrivateSlotAndCallBack(
-        username_hash_, bound_callback, crypto::ScopedPK11Slot());
-  }
-}
-
-void ClientCertStoreChromeOS::GetClientCertsImpl(
-    CERTCertList* cert_list,
-    const SSLCertRequestInfo& request,
-    bool query_nssdb,
-    CertificateList* selected_certs) {
-  ClientCertStoreNSS::GetClientCertsImpl(
-      cert_list, request, query_nssdb, selected_certs);
-
-  size_t pre_size = selected_certs->size();
-  selected_certs->erase(
-      std::remove_if(
-          selected_certs->begin(),
-          selected_certs->end(),
-          NSSProfileFilterChromeOS::CertNotAllowedForProfilePredicate(
-              profile_filter_)),
-      selected_certs->end());
-  DVLOG(1) << "filtered " << pre_size - selected_certs->size() << " of "
-           << pre_size << " certs";
-}
-
-void ClientCertStoreChromeOS::DidGetSystemAndPrivateSlot(
-    const SSLCertRequestInfo* request,
-    CertificateList* selected_certs,
-    const base::Closure& callback,
-    crypto::ScopedPK11Slot system_slot,
-    crypto::ScopedPK11Slot private_slot) {
-  profile_filter_.Init(crypto::GetPublicSlotForChromeOSUser(username_hash_),
-                       private_slot.Pass(),
-                       system_slot.Pass());
-  ClientCertStoreNSS::GetClientCerts(*request, selected_certs, callback);
-}
-
-}  // namespace net