Make CertVerifier a pure virtual interface.

net/http/http_network_layer_unittest.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_verifier.h"
 #include "net/base/mock_host_resolver.h"
+#include "net/base/multi_threaded_cert_verifier.h"
 #include "net/base/net_log.h"
 #include "net/base/ssl_config_service_defaults.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/http_transaction_unittest.h"
 #include "net/proxy/proxy_service.h"
 #include "net/socket/socket_test_util.h"
 #include "net/spdy/spdy_session_pool.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 14 matching lines @@
     session_params.cert_verifier = &cert_verifier_;
     session_params.proxy_service = proxy_service_.get();
     session_params.ssl_config_service = ssl_config_service_;
     session_params.http_server_properties = &http_server_properties_;
     network_session_ = new HttpNetworkSession(session_params);
     factory_.reset(new HttpNetworkLayer(network_session_));
   }
 
   MockClientSocketFactory mock_socket_factory_;
   MockHostResolver host_resolver_;
-  CertVerifier cert_verifier_;
+  MultiThreadedCertVerifier cert_verifier_;
   const scoped_ptr<ProxyService> proxy_service_;
   const scoped_refptr<SSLConfigService> ssl_config_service_;
   scoped_refptr<HttpNetworkSession> network_session_;
   scoped_ptr<HttpNetworkLayer> factory_;
   HttpServerPropertiesImpl http_server_properties_;
 };
 
 TEST_F(HttpNetworkLayerTest, CreateAndDestroy) {
   scoped_ptr<HttpTransaction> trans;
   int rv = factory_->CreateTransaction(&trans);
@@ skipping 57 matching lines @@
 
   std::string contents;
   rv = ReadTransaction(trans.get(), &contents);
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("hello world", contents);
 }
 
 }  // namespace
 
 }  // namespace net