Reduce usage of FOR_EACH_OBSERVER macro in components/

components/prefs/testing_pref_store.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/prefs/testing_pref_store.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/memory/ptr_util.h"
@@ skipping 81 matching lines @@
 
 void TestingPrefStore::CommitPendingWrite() { committed_ = true; }
 
 void TestingPrefStore::SchedulePendingLossyWrites() {}
 
 void TestingPrefStore::SetInitializationCompleted() {
   NotifyInitializationCompleted();
 }
 
 void TestingPrefStore::NotifyPrefValueChanged(const std::string& key) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
+  for (Observer& observer : observers_)
+    observer.OnPrefValueChanged(key);
 }
 
 void TestingPrefStore::NotifyInitializationCompleted() {
   DCHECK(!init_complete_);
   init_complete_ = true;
   if (read_success_ && read_error_ != PREF_READ_ERROR_NONE && error_delegate_)
     error_delegate_->OnError(read_error_);
-  FOR_EACH_OBSERVER(
-      Observer, observers_, OnInitializationCompleted(read_success_));
+  for (Observer& observer : observers_)
+    observer.OnInitializationCompleted(read_success_);
 }
 
 void TestingPrefStore::ReportValueChanged(const std::string& key,
                                           uint32_t flags) {
-  FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
+  for (Observer& observer : observers_)
+    observer.OnPrefValueChanged(key);
 }
 
 void TestingPrefStore::SetString(const std::string& key,
                                  const std::string& value) {
   SetValue(key, base::MakeUnique<base::StringValue>(value),
            DEFAULT_PREF_WRITE_FLAGS);
 }
 
 void TestingPrefStore::SetInteger(const std::string& key, int value) {
   SetValue(key, base::MakeUnique<base::FundamentalValue>(value),
@@ skipping 50 matching lines @@
   read_success_ = read_success;
 }
 
 void TestingPrefStore::set_read_error(
     PersistentPrefStore::PrefReadError read_error) {
   DCHECK(!init_complete_);
   read_error_ = read_error;
 }
 
 TestingPrefStore::~TestingPrefStore() {}