[NTP::Downloads] Do not fetch Offline Pages when their model is loaded.

chrome/browser/ntp_snippets/download_suggestions_provider.cc

Index: chrome/browser/ntp_snippets/download_suggestions_provider.cc
diff --git a/chrome/browser/ntp_snippets/download_suggestions_provider.cc b/chrome/browser/ntp_snippets/download_suggestions_provider.cc
index 9eb137ba0ca3e9a32c86b99d94cece770e65f812..68e096e99727fe07f72b6618ea14d7d3021caa22 100644
--- a/chrome/browser/ntp_snippets/download_suggestions_provider.cc
+++ b/chrome/browser/ntp_snippets/download_suggestions_provider.cc
@@ -320,7 +320,9 @@ void DownloadSuggestionsProvider::
 void DownloadSuggestionsProvider::OfflinePageModelLoaded(
     offline_pages::OfflinePageModel* model) {
   DCHECK_EQ(offline_page_model_, model);
-  AsynchronouslyFetchOfflinePagesDownloads(/*notify=*/true);
+  // Ignored. We issue a fetch in the constructor (or when Downloads Manager is
+  // loaded) and Offline Page model answers asynchronously once it has been
+  // loaded.
 }
 
 void DownloadSuggestionsProvider::OfflinePageAdded(