Do not send repeated Expect-CT reports to the same host+port

net/socket/ssl_client_socket_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/socket/ssl_client_socket.h"
 
 #include <errno.h>
 #include <string.h>
 
 #include <algorithm>
@@ skipping 3502 matching lines @@
               CERT_STATUS_CERTIFICATE_TRANSPARENCY_REQUIRED);
   EXPECT_TRUE(sock_->IsConnected());
 
   EXPECT_EQ(1u, reporter.num_failures());
   EXPECT_EQ(GURL("https://example-report.test"), reporter.report_uri());
   EXPECT_EQ(ssl_info.unverified_cert.get(),
             reporter.served_certificate_chain());
   EXPECT_EQ(ssl_info.cert.get(), reporter.validated_certificate_chain());
   EXPECT_EQ(0u, reporter.signed_certificate_timestamps().size());
 
+  transport_security_state_->ClearReportCachesForTesting();
   EXPECT_CALL(*ct_policy_enforcer_,
               DoesConformToCertPolicy(server_cert.get(), _, _))
       .WillRepeatedly(
           Return(ct::CertPolicyCompliance::CERT_POLICY_NOT_DIVERSE_SCTS));
   ASSERT_TRUE(CreateAndConnectSSLClientSocket(ssl_config, &rv));
   ASSERT_TRUE(sock_->GetSSLInfo(&ssl_info));
 
   EXPECT_THAT(rv, IsError(ERR_CERTIFICATE_TRANSPARENCY_REQUIRED));
   EXPECT_TRUE(ssl_info.cert_status &
               CERT_STATUS_CERTIFICATE_TRANSPARENCY_REQUIRED);
@@ skipping 467 matching lines @@
   // The read buffer should be released.
   StreamSocket::SocketMemoryStats stats;
   client->DumpMemoryStats(&stats);
   EXPECT_EQ(0u, stats.buffer_size);
   EXPECT_EQ(1u, stats.cert_count);
   EXPECT_LT(0u, stats.cert_size);
   EXPECT_EQ(stats.cert_size, stats.total_size);
 }
 
 }  // namespace net