Make CertVerifier a pure virtual interface.

net/base/cert_database.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 NET_BASE_CERT_DATABASE_H_
 #define NET_BASE_CERT_DATABASE_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/string16.h"
 #include "net/base/cert_type.h"
 #include "net/base/net_export.h"
+#include "net/base/x509_certificate.h"
 
 namespace net {
 
 class CryptoModule;
 typedef std::vector<scoped_refptr<CryptoModule> > CryptoModuleList;
-class X509Certificate;
-typedef std::vector<scoped_refptr<X509Certificate> > CertificateList;
-
 
 // This class provides functions to manipulate the local
 // certificate store.
 
 // TODO(gauravsh): This class could be augmented with methods
 // for all operations that manipulate the underlying system
 // certificate store.
 
 class NET_EXPORT CertDatabase {
  public:
@@ skipping 168 matching lines @@
   static void NotifyObserversOfUserCertAdded(const X509Certificate* cert);
   static void NotifyObserversOfUserCertRemoved(const X509Certificate* cert);
   static void NotifyObserversOfCertTrustChanged(const X509Certificate* cert);
 
   DISALLOW_COPY_AND_ASSIGN(CertDatabase);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_CERT_DATABASE_H_