Optimize CT & OCSP handling code

net/cert/do_nothing_ct_verifier.cc

 // Copyright 2016 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/cert/do_nothing_ct_verifier.h"
 
 #include "net/base/net_errors.h"
 
 namespace net {
 
 DoNothingCTVerifier::DoNothingCTVerifier() = default;
 DoNothingCTVerifier::~DoNothingCTVerifier() = default;
 
-int DoNothingCTVerifier::Verify(
+void DoNothingCTVerifier::Verify(
     X509Certificate* cert,
-    const std::string& stapled_ocsp_response,
-    const std::string& sct_list_from_tls_extension,
+    base::StringPiece stapled_ocsp_response,
+    base::StringPiece sct_list_from_tls_extension,
     SignedCertificateTimestampAndStatusList* output_scts,
     const NetLogWithSource& net_log) {
   output_scts->clear();
-  return ERR_CT_NO_SCTS_VERIFIED_OK;
 }
 
+void DoNothingCTVerifier::SetObserver(Observer* observer) {}
+
 }  // namespace net