Temporarily (for M58) disable byte counter on Download Page notifications.

components/offline_pages/core/downloads/download_notifying_observer.cc

Index: components/offline_pages/core/downloads/download_notifying_observer.cc
diff --git a/components/offline_pages/core/downloads/download_notifying_observer.cc b/components/offline_pages/core/downloads/download_notifying_observer.cc
index 3783608812919c0e4d552a013c512ed46c4621eb..00cc67daf40b3a73b6fbb24d2302e1754e4ec842 100644
--- a/components/offline_pages/core/downloads/download_notifying_observer.cc
+++ b/components/offline_pages/core/downloads/download_notifying_observer.cc
@@ -67,9 +67,8 @@ void DownloadNotifyingObserver::OnChanged(const SavePageRequest& request) {
 void DownloadNotifyingObserver::OnNetworkProgress(
     const SavePageRequest& request,
     int64_t received_bytes) {
-  DownloadUIItem item(request);
-  item.download_progress_bytes = received_bytes;
-  notifier_->NotifyDownloadProgress(item);
+  // TODO(dimich): Enable this back in M59. See bug 704049 for more info and
+  // what was temporarily (for M58) reverted.
 }
 
 void DownloadNotifyingObserver::OnCompleted(