net: extract net/cert out of net/base

net/base/cert_database.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 "net/base/cert_database.h"
-
-#include "base/memory/singleton.h"
-#include "base/observer_list_threadsafe.h"
-
-namespace net {
-
-// static
-CertDatabase* CertDatabase::GetInstance() {
-  return Singleton<CertDatabase>::get();
-}
-
-void CertDatabase::AddObserver(Observer* observer) {
-  observer_list_->AddObserver(observer);
-}
-
-void CertDatabase::RemoveObserver(Observer* observer) {
-  observer_list_->RemoveObserver(observer);
-}
-
-void CertDatabase::NotifyObserversOfCertAdded(const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertAdded, make_scoped_refptr(cert));
-}
-
-void CertDatabase::NotifyObserversOfCertRemoved(const X509Certificate* cert) {
-  observer_list_->Notify(&Observer::OnCertRemoved, make_scoped_refptr(cert));
-}
-
-void CertDatabase::NotifyObserversOfCertTrustChanged(
-    const X509Certificate* cert) {
-  observer_list_->Notify(
-      &Observer::OnCertTrustChanged, make_scoped_refptr(cert));
-}
-
-}  // namespace net