text: // Copyright 2017 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 "content/browser/webui/network_error_url_loader.h"
  
  #include "base/strings/string_number_conversions.h"
  #include "content/browser/webui/url_data_manager_backend.h"
  #include "content/public/common/url_constants.h"
  #include "net/base/net_errors.h"
  
  namespace content {
  
  void StartNetworkErrorsURLLoader(const ResourceRequest& request,
                                   mojom::URLLoaderClientPtr client) {
    int net_error = net::ERR_INVALID_URL;
    if (request.url.host() == kChromeUIDinoHost) {
      net_error = net::Error::ERR_INTERNET_DISCONNECTED;
    } else {
      std::string error_code_string = request.url.path().substr(1);
  
      int temp_code;
      if (base::StringToInt(error_code_string, &temp_code)) {
        // Check for a valid error code.
        if (URLDataManagerBackend::IsValidNetworkErrorCode(temp_code) &&
            temp_code != net::Error::ERR_IO_PENDING) {
          net_error = temp_code;
        }
      }
    }
  
    ResourceRequestCompletionStatus request_complete_data;
    request_complete_data.error_code = net_error;
    client->OnComplete(request_complete_data);
  }
  
  }  // namespace content
  