Remove NTP dependency on //content/...

chrome/browser/android/ntp/most_visited_sites.h

Index: chrome/browser/android/ntp/most_visited_sites.h
diff --git a/chrome/browser/android/ntp/most_visited_sites.h b/chrome/browser/android/ntp/most_visited_sites.h
index 14b3e636a238272ea55742e40f5addd24c8b8455..2e80584411bf44f8ec31fefc10324268b8e01404 100644
--- a/chrome/browser/android/ntp/most_visited_sites.h
+++ b/chrome/browser/android/ntp/most_visited_sites.h
@@ -124,14 +124,17 @@ class MostVisitedSites : public history::TopSitesObserver,
     DISALLOW_COPY_AND_ASSIGN(Suggestion);
   };
 
-  MostVisitedSites(PrefService* prefs,
-                   const TemplateURLService* template_url_service,
-                   variations::VariationsService* variations_service,
-                   net::URLRequestContextGetter* download_context,
-                   const base::FilePath& popular_sites_directory,
-                   scoped_refptr<history::TopSites> top_sites,
-                   suggestions::SuggestionsService* suggestions,
-                   MostVisitedSitesSupervisor* supervisor);
+  MostVisitedSites(
+      scoped_refptr<base::SingleThreadTaskRunner> ui_thread,
+      scoped_refptr<base::SequencedWorkerPool> blocking_pool,
+      PrefService* prefs,
+      const TemplateURLService* template_url_service,
+      variations::VariationsService* variations_service,
+      net::URLRequestContextGetter* download_context,
+      const base::FilePath& popular_sites_directory,
+      scoped_refptr<history::TopSites> top_sites,
+      suggestions::SuggestionsService* suggestions,
+      MostVisitedSitesSupervisor* supervisor);
 
   ~MostVisitedSites() override;
 
@@ -271,6 +274,9 @@ class MostVisitedSites : public history::TopSitesObserver,
 
   SuggestionsVector current_suggestions_;
 
+  scoped_refptr<base::SingleThreadTaskRunner> ui_thread_;
+  scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
+
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<MostVisitedSites> weak_ptr_factory_;