Improvements to the net/cert/internal error handling.

net/cert/internal/cert_error_scoper.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_error_scoper.h"
-
-#include <memory>
-
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "net/cert/internal/cert_error_params.h"
-#include "net/cert/internal/cert_errors.h"
-
-namespace net {
-
-CertErrorScoper::CertErrorScoper(CertErrors* parent_errors) {
-  DCHECK(parent_errors);
-  parent_errors_ = parent_errors;
-  parent_scoper_ = parent_errors->SetScoper(this);
-}
-
-CertErrorScoper::~CertErrorScoper() {
-  CertErrorScoper* prev = parent_errors_->SetScoper(parent_scoper_);
-  DCHECK_EQ(prev, this);
-}
-
-CertErrorNode* CertErrorScoper::LazyGetRootNode() {
-  if (!root_node_) {
-    // Create the node.
-    auto root_node = BuildRootNode();
-    root_node_ = root_node.get();
-
-    // Attach it to the node hiearchy (ownership of this node is passed off
-    // to its parent, which is ultimately rooted in the CertErrors object).
-    if (parent_scoper_) {
-      parent_scoper_->LazyGetRootNode()->AddChild(std::move(root_node));
-    } else {
-      parent_errors_->nodes_.push_back(std::move(root_node));
-    }
-  }
-
-  return root_node_;
-}
-
-CertErrorScoperNoParams::CertErrorScoperNoParams(CertErrors* parent_errors,
-                                                 CertErrorId id)
-    : CertErrorScoper(parent_errors), id_(id) {}
-
-std::unique_ptr<CertErrorNode> CertErrorScoperNoParams::BuildRootNode() {
-  return base::MakeUnique<CertErrorNode>(CertErrorNodeType::TYPE_CONTEXT, id_,
-                                         nullptr);
-}
-
-}  // namespace net