Add a do-nothing CTVerifier to //net

net/cert/do_nothing_ct_verifier.cc

Index: net/cert/do_nothing_ct_verifier.cc
diff --git a/net/cert/do_nothing_ct_verifier.cc b/net/cert/do_nothing_ct_verifier.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a22867a147937ae386eebadddb1f485b71d0c1ca
--- /dev/null
+++ b/net/cert/do_nothing_ct_verifier.cc
@@ -0,0 +1,24 @@
+// 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(
+    X509Certificate* cert,
+    const std::string& stapled_ocsp_response,
+    const std::string& sct_list_from_tls_extension,
+    SignedCertificateTimestampAndStatusList* output_scts,
+    const NetLogWithSource& net_log) {
+  output_scts->clear();
+  return ERR_CT_NO_SCTS_VERIFIED_OK;
+}
+
+}  // namespace net