[NTP] Fix article suggestion clicks contributing to Most Visited tiles

components/history/core/browser/history_backend.h

 // Copyright (c) 2012 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 COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_
 #define COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 635 matching lines @@
 
   // Segments ------------------------------------------------------------------
 
   // Walks back a segment chain to find the last visit with a non null segment
   // id and returns it. If there is none found, returns 0.
   SegmentID GetLastSegmentID(VisitID from_visit);
 
   // Update the segment information. This is called internally when a page is
   // added. Return the segment id of the segment that has been updated.
   SegmentID UpdateSegments(const GURL& url,
+                           const GURL& referrer,
                            VisitID from_visit,
                            VisitID visit_id,
                            ui::PageTransition transition_type,
                            const base::Time ts);
 
   // Favicons ------------------------------------------------------------------
 
   // Used by both UpdateFaviconMappingsAndFetch and GetFavicons.
   // If |page_url| is non-null, the icon urls for |page_url| (and all
   // redirects) are set to the subset of |icon_urls| for which icons are
@@ skipping 226 matching lines @@
 
   // List of observers
   base::ObserverList<HistoryBackendObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryBackend);
 };
 
 }  // namespace history
 
 #endif  // COMPONENTS_HISTORY_CORE_BROWSER_HISTORY_BACKEND_H_