Make CertVerifier a pure virtual interface.

net/spdy/spdy_test_util_spdy2.cc

Index: net/spdy/spdy_test_util_spdy2.cc
===================================================================
--- net/spdy/spdy_test_util_spdy2.cc	(revision 128056)
+++ net/spdy/spdy_test_util_spdy2.cc	(working copy)
@@ -10,6 +10,7 @@
 #include "base/compiler_specific.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
+#include "net/base/cert_verifier.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_network_transaction.h"
 #include "net/http/http_server_properties_impl.h"
@@ -903,7 +904,7 @@
 
 SpdySessionDependencies::SpdySessionDependencies()
     : host_resolver(new MockCachingHostResolver),
-      cert_verifier(new CertVerifier),
+      cert_verifier(CertVerifier::CreateDefault()),
       proxy_service(ProxyService::CreateDirect()),
       ssl_config_service(new SSLConfigServiceDefaults),
       socket_factory(new MockClientSocketFactory),
@@ -921,7 +922,7 @@
 
 SpdySessionDependencies::SpdySessionDependencies(ProxyService* proxy_service)
     : host_resolver(new MockHostResolver),
-      cert_verifier(new CertVerifier),
+      cert_verifier(CertVerifier::CreateDefault()),
       proxy_service(proxy_service),
       ssl_config_service(new SSLConfigServiceDefaults),
       socket_factory(new MockClientSocketFactory),
@@ -965,7 +966,7 @@
 SpdyURLRequestContext::SpdyURLRequestContext()
     : ALLOW_THIS_IN_INITIALIZER_LIST(storage_(this)) {
   storage_.set_host_resolver(new MockHostResolver());
-  storage_.set_cert_verifier(new CertVerifier);
+  storage_.set_cert_verifier(CertVerifier::CreateDefault());
   storage_.set_proxy_service(ProxyService::CreateDirect());
   storage_.set_ssl_config_service(new SSLConfigServiceDefaults);
   storage_.set_http_auth_handler_factory(HttpAuthHandlerFactory::CreateDefault(