Reduce usage of FOR_EACH_OBSERVER macro in components/

components/sessions/core/tab_restore_service_helper.cc

 // Copyright 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/sessions/core/tab_restore_service_helper.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <iterator>
@@ skipping 33 matching lines @@
     TabRestoreService::TimeFactory* time_factory)
     : tab_restore_service_(tab_restore_service),
       observer_(observer),
       client_(client),
       restoring_(false),
       time_factory_(time_factory) {
   DCHECK(tab_restore_service_);
 }
 
 TabRestoreServiceHelper::~TabRestoreServiceHelper() {
-  FOR_EACH_OBSERVER(TabRestoreServiceObserver, observer_list_,
-                    TabRestoreServiceDestroyed(tab_restore_service_));
+  for (auto& observer : observer_list_)
+    observer.TabRestoreServiceDestroyed(tab_restore_service_);
 }
 
 void TabRestoreServiceHelper::AddObserver(
     TabRestoreServiceObserver* observer) {
   observer_list_.AddObserver(observer);
 }
 
 void TabRestoreServiceHelper::RemoveObserver(
     TabRestoreServiceObserver* observer) {
   observer_list_.RemoveObserver(observer);
@@ skipping 192 matching lines @@
   restoring_ = false;
   NotifyTabsChanged();
   return live_tabs;
 }
 
 bool TabRestoreServiceHelper::IsRestoring() const {
   return restoring_;
 }
 
 void TabRestoreServiceHelper::NotifyTabsChanged() {
-  FOR_EACH_OBSERVER(TabRestoreServiceObserver, observer_list_,
-                    TabRestoreServiceChanged(tab_restore_service_));
+  for (auto& observer : observer_list_)
+    observer.TabRestoreServiceChanged(tab_restore_service_);
 }
 
 void TabRestoreServiceHelper::NotifyLoaded() {
-  FOR_EACH_OBSERVER(TabRestoreServiceObserver, observer_list_,
-                    TabRestoreServiceLoaded(tab_restore_service_));
+  for (auto& observer : observer_list_)
+    observer.TabRestoreServiceLoaded(tab_restore_service_);
 }
 
 void TabRestoreServiceHelper::AddEntry(std::unique_ptr<Entry> entry,
                                        bool notify,
                                        bool to_front) {
   if (!FilterEntry(*entry) || (entries_.size() >= kMaxEntries && !to_front)) {
     return;
   }
 
   if (to_front)
@@ skipping 203 matching lines @@
         tab.browser_id = new_id;
     }
   }
 }
 
 base::Time TabRestoreServiceHelper::TimeNow() const {
   return time_factory_ ? time_factory_->TimeNow() : base::Time::Now();
 }
 
 }  // namespace sessions