Remove usage of FOR_EACH_OBSERVER macro in components/history

components/history/core/browser/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 "components/history/core/browser/history_backend.h"
 
 #include <algorithm>
 #include <functional>
 #include <list>
 #include <map>
@@ skipping 2474 matching lines @@
 void HistoryBackend::NotifyFaviconsChanged(const std::set<GURL>& page_urls,
                                            const GURL& icon_url) {
   if (delegate_)
     delegate_->NotifyFaviconsChanged(page_urls, icon_url);
 }
 
 void HistoryBackend::NotifyURLVisited(ui::PageTransition transition,
                                       const URLRow& row,
                                       const RedirectList& redirects,
                                       base::Time visit_time) {
-  FOR_EACH_OBSERVER(HistoryBackendObserver, observers_,
-                    OnURLVisited(this, transition, row, redirects, visit_time));
+  for (HistoryBackendObserver& observer : observers_)
+    observer.OnURLVisited(this, transition, row, redirects, visit_time);
 
   if (delegate_)
     delegate_->NotifyURLVisited(transition, row, redirects, visit_time);
 }
 
 void HistoryBackend::NotifyURLsModified(const URLRows& rows) {
-  FOR_EACH_OBSERVER(HistoryBackendObserver, observers_,
-                    OnURLsModified(this, rows));
+  for (HistoryBackendObserver& observer : observers_)
+    observer.OnURLsModified(this, rows);
 
   if (delegate_)
     delegate_->NotifyURLsModified(rows);
 }
 
 void HistoryBackend::NotifyURLsDeleted(bool all_history,
                                        bool expired,
                                        const URLRows& rows,
                                        const std::set<GURL>& favicon_urls) {
   URLRows copied_rows(rows);
-  FOR_EACH_OBSERVER(
-      HistoryBackendObserver, observers_,
-      OnURLsDeleted(this, all_history, expired, copied_rows, favicon_urls));
+  for (HistoryBackendObserver& observer : observers_) {
+    observer.OnURLsDeleted(this, all_history, expired, copied_rows,
+                           favicon_urls);
+  }
 
   if (delegate_)
     delegate_->NotifyURLsDeleted(all_history, expired, copied_rows,
                                  favicon_urls);
 }
 
 // Deleting --------------------------------------------------------------------
 
 void HistoryBackend::DeleteAllHistory() {
   // Our approach to deleting all history is:
@@ skipping 112 matching lines @@
   // transaction is currently open.
   db_->CommitTransaction();
   db_->Vacuum();
   db_->BeginTransaction();
   db_->GetStartDate(&first_recorded_time_);
 
   return true;
 }
 
 }  // namespace history