Reduce usage of FOR_EACH_OBSERVER macro in components/

components/offline_pages/background/request_coordinator.cc

 // Copyright 2016 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/offline_pages/background/request_coordinator.h"
 
 #include <limits>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 737 matching lines @@
 void RequestCoordinator::AddObserver(Observer* observer) {
   DCHECK(observer);
   observers_.AddObserver(observer);
 }
 
 void RequestCoordinator::RemoveObserver(Observer* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void RequestCoordinator::NotifyAdded(const SavePageRequest& request) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnAdded(request));
+  for (Observer& observer : observers_)
+    observer.OnAdded(request);
 }
 
 void RequestCoordinator::NotifyCompleted(const SavePageRequest& request,
                                          BackgroundSavePageResult status) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnCompleted(request, status));
+  for (Observer& observer : observers_)
+    observer.OnCompleted(request, status);
 }
 
 void RequestCoordinator::NotifyChanged(const SavePageRequest& request) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnChanged(request));
+  for (Observer& observer : observers_)
+    observer.OnChanged(request);
 }
 
 void RequestCoordinator::GetOffliner() {
   if (!offliner_) {
     offliner_ = factory_->GetOffliner(policy_.get());
   }
 }
 
 ClientPolicyController* RequestCoordinator::GetPolicyController() {
   return policy_controller_.get();
 }
 
 void RequestCoordinator::Shutdown() {
   network_quality_estimator_ = nullptr;
 }
 
 }  // namespace offline_pages