Introduce CertErrors::ToDebugString().

net/cert/internal/cert_errors.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/internal/cert_errors.h"
 
 #include <memory>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
@@ skipping 36 matching lines @@
 void CertErrors::AddWith1DerParam(CertErrorType type, const der::Input& der1) {
   AddWithParam(type, base::MakeUnique<CertErrorParamsDer1>(der1));
 }
 
 void CertErrors::AddWith2DerParams(CertErrorType type,
                                    const der::Input& der1,
                                    const der::Input& der2) {
   AddWithParam(type, base::MakeUnique<CertErrorParamsDer2>(der1, der2));
 }
 
+std::string CertErrors::ToDebugString() const {
+  std::string str;
+  for (const auto& error : errors_) {
+    if (!str.empty())
+      str += "\n";
+    str += error.type;
+  }
+  return str;
+}
+
 ScopedCertErrorsCertContext::ScopedCertErrorsCertContext(
     CertErrors* parent,
     const ParsedCertificate* cert,
     size_t i) {
   // TODO(crbug.com/634443): Implement.
 }
 
 ScopedCertErrorsCertContext::~ScopedCertErrorsCertContext() {
   // TODO(crbug.com/634443): Implement.
 }
@@ skipping 22 matching lines @@
     : der1_(der1.AsString()), der2_(der2.AsString()) {}
 
 std::unique_ptr<base::Value> CertErrorParamsDer2::ToValue() const {
   auto dict = base::MakeUnique<base::DictionaryValue>();
   dict->SetString("der1", HexEncodeString(der1_));
   dict->SetString("der2", HexEncodeString(der2_));
   return std::move(dict);
 }
 
 }  // namespace net