Revert "Currently, base/timer.cc calls PostTask with FROM_HERE as the Location,

content/browser/download/download_item.cc

Index: content/browser/download/download_item.cc
diff --git a/content/browser/download/download_item.cc b/content/browser/download/download_item.cc
index fa6c43611454fc713e18ced7dba380e01806a668..eefb8ddd2a844afa34f5dcb85a7087503336716c 100644
--- a/content/browser/download/download_item.cc
+++ b/content/browser/download/download_item.cc
@@ -325,8 +325,7 @@ void DownloadItem::StartProgressTimer() {
   // TODO(rdsmith): Change to DCHECK after http://crbug.com/85408 resolved.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
-  update_timer_.Start(FROM_HERE,
-                      base::TimeDelta::FromMilliseconds(kUpdateTimeMs), this,
+  update_timer_.Start(base::TimeDelta::FromMilliseconds(kUpdateTimeMs), this,
                       &DownloadItem::UpdateObservers);
 }