Use whitelist large icon for corresponding most visited suggestions.

chrome/browser/android/most_visited_sites.h

Index: chrome/browser/android/most_visited_sites.h
diff --git a/chrome/browser/android/most_visited_sites.h b/chrome/browser/android/most_visited_sites.h
index 6d5ab341e600206bddbe3df8bc4727d0161d7b50..24d336f367b92cbebaee5d35a8ff51d536e718e8 100644
--- a/chrome/browser/android/most_visited_sites.h
+++ b/chrome/browser/android/most_visited_sites.h
@@ -112,6 +112,9 @@ class MostVisitedSites : public history::TopSitesObserver,
   // enabled, or if it returns no data.
   void InitiateTopSitesQuery();
 
+  // If there's a whitelist entry point for the URL, return the large icon path.
+  base::FilePath GetWhitelistLargeIconPath(const GURL& url);
+
   // Callback for when data is available from TopSites.
   void OnMostVisitedURLsAvailable(
       const history::MostVisitedURLList& visited_list);