[NTP Snippets] Refactor background scheduling for remote suggestions

chrome/browser/ui/webui/snippets_internals_message_handler.cc

Index: chrome/browser/ui/webui/snippets_internals_message_handler.cc
diff --git a/chrome/browser/ui/webui/snippets_internals_message_handler.cc b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
index c32b36c4355fb5317082bdb2a46a42dcebaacfdd..e4d134abe8b79ac31975c12a11e75253b146bdf2 100644
--- a/chrome/browser/ui/webui/snippets_internals_message_handler.cc
+++ b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
@@ -37,6 +37,7 @@ using ntp_snippets::Category;
 using ntp_snippets::CategoryInfo;
 using ntp_snippets::CategoryStatus;
 using ntp_snippets::KnownCategories;
+using ntp_snippets::RemoteSuggestionsProvider;
 using ntp_snippets::UserClassifier;
 
 namespace {
@@ -88,7 +89,8 @@ SnippetsInternalsMessageHandler::SnippetsInternalsMessageHandler(
       dom_loaded_(false),
       content_suggestions_service_(content_suggestions_service),
       remote_suggestions_provider_(
-          content_suggestions_service_->ntp_snippets_service()),
+          content_suggestions_service_
+              ->remote_suggestions_provider_for_debugging()),
       pref_service_(pref_service),
       weak_ptr_factory_(this) {}
 
@@ -195,7 +197,7 @@ void SnippetsInternalsMessageHandler::HandleDownload(
   if (!remote_suggestions_provider_)
     return;
 
-  remote_suggestions_provider_->FetchSnippetsForAllCategories();
+  remote_suggestions_provider_->ReloadSuggestions();
 }
 
 void SnippetsInternalsMessageHandler::HandleClearCachedSuggestions(
@@ -271,7 +273,8 @@ void SnippetsInternalsMessageHandler::ClearClassification(
 void SnippetsInternalsMessageHandler::FetchRemoteSuggestionsInTheBackground(
     const base::ListValue* args) {
   DCHECK_EQ(0u, args->GetSize());
-  remote_suggestions_provider_->FetchSnippetsInTheBackground();
+  remote_suggestions_provider_->RefetchInTheBackground(
+      RemoteSuggestionsProvider::FetchStatusCallback());
 }
 
 void SnippetsInternalsMessageHandler::SendAllContent() {