Mechanical change of base::Time to base::TimeTicks in the component updater.

components/update_client/url_fetcher_downloader.cc

Index: components/update_client/url_fetcher_downloader.cc
diff --git a/components/update_client/url_fetcher_downloader.cc b/components/update_client/url_fetcher_downloader.cc
index 6a74d881263a3f0a424984eab5ee34c316440db5..8191c9d36d5f2f99969d92d699dd5a8590ba0f7b 100644
--- a/components/update_client/url_fetcher_downloader.cc
+++ b/components/update_client/url_fetcher_downloader.cc
@@ -46,7 +46,7 @@ void UrlFetcherDownloader::DoStartDownload(const GURL& url) {
   VLOG(1) << "Starting background download: " << url.spec();
   url_fetcher_->Start();
 
-  download_start_time_ = base::Time::Now();
+  download_start_time_ = base::TimeTicks::Now();
 
   downloaded_bytes_ = -1;
   total_bytes_ = -1;
@@ -55,7 +55,7 @@ void UrlFetcherDownloader::DoStartDownload(const GURL& url) {
 void UrlFetcherDownloader::OnURLFetchComplete(const net::URLFetcher* source) {
   DCHECK(thread_checker_.CalledOnValidThread());
 
-  const base::Time download_end_time(base::Time::Now());
+  const base::TimeTicks download_end_time(base::TimeTicks::Now());
   const base::TimeDelta download_time =
       download_end_time >= download_start_time_
           ? download_end_time - download_start_time_