[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 988dc19ce21135d458c7272408c78501d1934be9..15433dedce67abb695bc2d0cb999a86aba07c921 100644
--- a/chrome/browser/ui/webui/snippets_internals_message_handler.cc
+++ b/chrome/browser/ui/webui/snippets_internals_message_handler.cc
@@ -80,7 +80,7 @@ std::string GetCategoryStatusName(CategoryStatus status) {
 SnippetsInternalsMessageHandler::SnippetsInternalsMessageHandler()
     : content_suggestions_service_observer_(this),
       dom_loaded_(false),
-      ntp_snippets_service_(nullptr),
+      remote_suggestions_provider_(nullptr),
       content_suggestions_service_(nullptr),
       weak_ptr_factory_(this) {}
 
@@ -94,7 +94,8 @@ void SnippetsInternalsMessageHandler::RegisterMessages() {
       ContentSuggestionsServiceFactory::GetInstance()->GetForProfile(profile);
   content_suggestions_service_observer_.Add(content_suggestions_service_);
 
-  ntp_snippets_service_ = content_suggestions_service_->ntp_snippets_service();
+  remote_suggestions_provider_ =
+      content_suggestions_service_->remote_suggestions_provider();
 
   web_ui()->RegisterMessageCallback(
       "refreshContent",
@@ -186,7 +187,7 @@ void SnippetsInternalsMessageHandler::HandleDownload(
 
   SendString("hosts-status", std::string());
 
-  if (!ntp_snippets_service_)
+  if (!remote_suggestions_provider_)
     return;
 
   std::string hosts_string;
@@ -197,7 +198,7 @@ void SnippetsInternalsMessageHandler::HandleDownload(
       hosts_string, " ", base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
   std::set<std::string> hosts(hosts_vector.begin(), hosts_vector.end());
 
-  ntp_snippets_service_->FetchSnippetsFromHosts(hosts,
+  remote_suggestions_provider_->FetchSnippetsFromHosts(hosts,
                                                 /*interactive_request=*/true);
 }
 
@@ -296,8 +297,9 @@ void SnippetsInternalsMessageHandler::SendAllContent() {
 
   SendClassification();
 
-  if (ntp_snippets_service_) {
-    switch (ntp_snippets_service_->snippets_fetcher()->personalization()) {
+  if (remote_suggestions_provider_) {
+    switch (
+        remote_suggestions_provider_->snippets_fetcher()->personalization()) {
       case ntp_snippets::NTPSnippetsFetcher::Personalization::kPersonal:
         SendString("switch-personalized", "Only personalized");
         break;
@@ -310,12 +312,13 @@ void SnippetsInternalsMessageHandler::SendAllContent() {
         break;
     }
 
-    SendString("switch-fetch-url",
-               ntp_snippets_service_->snippets_fetcher()->fetch_url().spec());
+    SendString(
+        "switch-fetch-url",
+        remote_suggestions_provider_->snippets_fetcher()->fetch_url().spec());
     web_ui()->CallJavascriptFunctionUnsafe(
         "chrome.SnippetsInternals.receiveJson",
         base::StringValue(
-            ntp_snippets_service_->snippets_fetcher()->last_json()));
+            remote_suggestions_provider_->snippets_fetcher()->last_json()));
   }
 
   SendContentSuggestions();
@@ -374,9 +377,9 @@ void SnippetsInternalsMessageHandler::SendContentSuggestions() {
     categories_list->Append(std::move(category_entry));
   }
 
-  if (ntp_snippets_service_) {
+  if (remote_suggestions_provider_) {
     const std::string& status =
-        ntp_snippets_service_->snippets_fetcher()->last_status();
+        remote_suggestions_provider_->snippets_fetcher()->last_status();
     if (!status.empty())
       SendString("hosts-status", "Finished: " + status);
   }