Eliminate NOTIFICATION_HISTORY_LOADED notification

chrome/browser/history/history_service.cc

Index: chrome/browser/history/history_service.cc
diff --git a/chrome/browser/history/history_service.cc b/chrome/browser/history/history_service.cc
index 45e62ca6ca399d3d84ecde9062ff2d32b7a29236..d5e15e2abe9c5eb6cb5beabba1296b9c5ac3cc67 100644
--- a/chrome/browser/history/history_service.cc
+++ b/chrome/browser/history/history_service.cc
@@ -1227,10 +1227,7 @@ void HistoryService::BroadcastNotificationsHelper(
 void HistoryService::OnDBLoaded() {
   DCHECK(thread_checker_.CalledOnValidThread());
   backend_loaded_ = true;
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_HISTORY_LOADED,
-      content::Source<Profile>(profile_),
-      content::Details<HistoryService>(this));
+  NotifyHistoryServiceLoaded();
 }
 
 bool HistoryService::GetRowForURL(const GURL& url, history::URLRow* url_row) {
@@ -1267,3 +1264,10 @@ void HistoryService::NotifyFaviconChanged(
   DCHECK(thread_checker_.CalledOnValidThread());
   favicon_changed_callback_list_.Notify(changed_favicons);
 }
+
+void HistoryService::NotifyHistoryServiceLoaded() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  FOR_EACH_OBSERVER(history::HistoryServiceObserver,
+                    observers_,
+                    OnHistoryServiceLoaded(this));
+}