Rename VisitDatabaseObserver to HistoryServiceObserver

chrome/browser/history/history_backend.cc

 // 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.
 
 #include "chrome/browser/history/history_backend.h"
 
 #include <algorithm>
 #include <functional>
 #include <list>
 #include <map>
@@ skipping 2662 matching lines @@
 }
 
 void HistoryBackend::NotifyVisitObservers(const VisitRow& visit) {
   BriefVisitInfo info;
   info.url_id = visit.url_id;
   info.time = visit.visit_time;
   info.transition = visit.transition;
   // If we don't have a delegate yet during setup or shutdown, we will drop
   // these notifications.
   if (delegate_)
-    delegate_->NotifyVisitDBObserversOnAddVisit(info);
+    delegate_->NotifyAddVisit(info);
 }
 
 #if defined(OS_ANDROID)
 void HistoryBackend::PopulateMostVisitedURLMap() {
   MostVisitedURLList most_visited_urls;
   QueryMostVisitedURLs(
       kPageVisitStatsMaxTopSites, kSegmentDataRetention, &most_visited_urls);
 
   DCHECK_LE(most_visited_urls.size(), kPageVisitStatsMaxTopSites);
   for (size_t i = 0; i < most_visited_urls.size(); ++i) {
     most_visited_urls_map_[most_visited_urls[i].url] = i;
     for (size_t j = 0; j < most_visited_urls[i].redirects.size(); ++j)
       most_visited_urls_map_[most_visited_urls[i].redirects[j]] = i;
   }
 }
 
 void HistoryBackend::RecordTopPageVisitStats(const GURL& url) {
   int rank = kPageVisitStatsMaxTopSites;
   std::map<GURL, int>::const_iterator it = most_visited_urls_map_.find(url);
   if (it != most_visited_urls_map_.end())
     rank = (*it).second;
   UMA_HISTOGRAM_ENUMERATION("History.TopSitesVisitsByRank",
                             rank, kPageVisitStatsMaxTopSites + 1);
 }
 #endif
 
 }  // namespace history