Move most of the component updater artifacts to update_client.

components/component_updater/url_fetcher_downloader.cc

-// Copyright 2014 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 "components/component_updater/url_fetcher_downloader.h"
-
-#include <stdint.h>
-
-#include "base/logging.h"
-#include "base/sequenced_task_runner.h"
-#include "components/component_updater/component_updater_utils.h"
-#include "net/base/load_flags.h"
-#include "net/url_request/url_fetcher.h"
-#include "url/gurl.h"
-
-namespace component_updater {
-
-UrlFetcherDownloader::UrlFetcherDownloader(
-    scoped_ptr<CrxDownloader> successor,
-    net::URLRequestContextGetter* context_getter,
-    scoped_refptr<base::SequencedTaskRunner> task_runner)
-    : CrxDownloader(successor.Pass()),
-      context_getter_(context_getter),
-      task_runner_(task_runner),
-      downloaded_bytes_(-1),
-      total_bytes_(-1) {
-}
-
-UrlFetcherDownloader::~UrlFetcherDownloader() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-}
-
-void UrlFetcherDownloader::DoStartDownload(const GURL& url) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  url_fetcher_.reset(
-      net::URLFetcher::Create(0, url, net::URLFetcher::GET, this));
-  url_fetcher_->SetRequestContext(context_getter_);
-  url_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SEND_COOKIES |
-                             net::LOAD_DO_NOT_SAVE_COOKIES |
-                             net::LOAD_DISABLE_CACHE);
-  url_fetcher_->SetAutomaticallyRetryOn5xx(false);
-  url_fetcher_->SaveResponseToTemporaryFile(task_runner_);
-
-  VLOG(1) << "Starting background download: " << url.spec();
-  url_fetcher_->Start();
-
-  download_start_time_ = base::Time::Now();
-
-  downloaded_bytes_ = -1;
-  total_bytes_ = -1;
-}
-
-void UrlFetcherDownloader::OnURLFetchComplete(const net::URLFetcher* source) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  const base::Time download_end_time(base::Time::Now());
-  const base::TimeDelta download_time =
-      download_end_time >= download_start_time_
-          ? download_end_time - download_start_time_
-          : base::TimeDelta();
-
-  // Consider a 5xx response from the server as an indication to terminate
-  // the request and avoid overloading the server in this case.
-  // is not accepting requests for the moment.
-  const int fetch_error(GetFetchError(*url_fetcher_));
-  const bool is_handled = fetch_error == 0 || IsHttpServerError(fetch_error);
-
-  Result result;
-  result.error = fetch_error;
-  if (!fetch_error) {
-    source->GetResponseAsFilePath(true, &result.response);
-  }
-  result.downloaded_bytes = downloaded_bytes_;
-  result.total_bytes = total_bytes_;
-
-  DownloadMetrics download_metrics;
-  download_metrics.url = url();
-  download_metrics.downloader = DownloadMetrics::kUrlFetcher;
-  download_metrics.error = fetch_error;
-  download_metrics.downloaded_bytes = downloaded_bytes_;
-  download_metrics.total_bytes = total_bytes_;
-  download_metrics.download_time_ms = download_time.InMilliseconds();
-
-  base::FilePath local_path_;
-  source->GetResponseAsFilePath(false, &local_path_);
-  VLOG(1) << "Downloaded " << downloaded_bytes_ << " bytes in "
-          << download_time.InMilliseconds() << "ms from "
-          << source->GetURL().spec() << " to " << local_path_.value();
-  CrxDownloader::OnDownloadComplete(is_handled, result, download_metrics);
-}
-
-void UrlFetcherDownloader::OnURLFetchDownloadProgress(
-    const net::URLFetcher* source,
-    int64_t current,
-    int64_t total) {
-  DCHECK(thread_checker_.CalledOnValidThread());
-
-  downloaded_bytes_ = current;
-  total_bytes_ = total;
-
-  Result result;
-  result.downloaded_bytes = downloaded_bytes_;
-  result.total_bytes = total_bytes_;
-
-  OnDownloadProgress(result);
-}
-
-}  // namespace component_updater