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 d6bdb125b9a2220fd94a1a060fd519f6f108aa73..ff747f25690909b145993710f4a9a8ed2d91eec7 100644
--- a/chrome/browser/android/ntp/most_visited_sites.h
+++ b/chrome/browser/android/ntp/most_visited_sites.h
@@ -128,7 +128,8 @@ class MostVisitedSites : public history::TopSitesObserver,
     DISALLOW_COPY_AND_ASSIGN(Suggestion);
   };
 
-  MostVisitedSites(PrefService* prefs,
+  MostVisitedSites(scoped_refptr<base::SequencedWorkerPool> blocking_pool,
+                   PrefService* prefs,
                    const TemplateURLService* template_url_service,
                    variations::VariationsService* variations_service,
                    net::URLRequestContextGetter* download_context,
@@ -275,6 +276,10 @@ class MostVisitedSites : public history::TopSitesObserver,
 
   SuggestionsVector current_suggestions_;
 
+  base::ThreadChecker thread_checker_;
+  scoped_refptr<base::SequencedWorkerPool> blocking_pool_;
+  scoped_refptr<base::TaskRunner> blocking_runner_;
+
   // For callbacks may be run after destruction.
   base::WeakPtrFactory<MostVisitedSites> weak_ptr_factory_;