[NTP Snippets] Refactor background scheduling for remote suggestions

chrome/browser/ui/webui/snippets_internals_message_handler.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_SNIPPETS_INTERNALS_MESSAGE_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SNIPPETS_INTERNALS_MESSAGE_HANDLER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 52 matching lines @@
       ntp_snippets::Category category,
       std::vector<ntp_snippets::ContentSuggestion> dismissed_suggestions);
 
   ScopedObserver<ntp_snippets::ContentSuggestionsService,
                  ntp_snippets::ContentSuggestionsService::Observer>
       content_suggestions_service_observer_;
 
   // Tracks whether we can already send messages to the page.
   bool dom_loaded_;
 
-  ntp_snippets::RemoteSuggestionsProvider* ntp_snippets_service_;
+  ntp_snippets::RemoteSuggestionsProvider* remote_suggestions_provider_;
   ntp_snippets::ContentSuggestionsService* content_suggestions_service_;
 
   std::map<ntp_snippets::Category,
            DismissedState,
            ntp_snippets::Category::CompareByID>
       dismissed_state_;
   std::map<ntp_snippets::Category,
            std::vector<ntp_snippets::ContentSuggestion>,
            ntp_snippets::Category::CompareByID>
       dismissed_suggestions_;
 
   base::WeakPtrFactory<SnippetsInternalsMessageHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(SnippetsInternalsMessageHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SNIPPETS_INTERNALS_MESSAGE_HANDLER_H_