Reduce usage of FOR_EACH_OBSERVER macro in chrome/browser

chrome/browser/task_manager/task_manager_interface.cc

 // Copyright 2015 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 "chrome/browser/task_manager/task_manager_interface.h"
 
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/task_manager/sampling/task_manager_impl.h"
 #include "chrome/browser/task_manager/sampling/task_manager_io_thread_helper.h"
 #include "chrome/common/chrome_switches.h"
@@ skipping 97 matching lines @@
 
 TaskManagerInterface::TaskManagerInterface()
     : refresh_timer_(new base::Timer(true, true)),
       enabled_resources_flags_(0) {
 }
 
 TaskManagerInterface::~TaskManagerInterface() {
 }
 
 void TaskManagerInterface::NotifyObserversOnTaskAdded(TaskId id) {
-  FOR_EACH_OBSERVER(TaskManagerObserver, observers_, OnTaskAdded(id));
+  for (TaskManagerObserver& observer : observers_)
+    observer.OnTaskAdded(id);
 }
 
 void TaskManagerInterface::NotifyObserversOnTaskToBeRemoved(TaskId id) {
-  FOR_EACH_OBSERVER(TaskManagerObserver, observers_, OnTaskToBeRemoved(id));
+  for (TaskManagerObserver& observer : observers_)
+    observer.OnTaskToBeRemoved(id);
 }
 
 void TaskManagerInterface::NotifyObserversOnRefresh(
     const TaskIdList& task_ids) {
-  FOR_EACH_OBSERVER(TaskManagerObserver,
-                    observers_,
-                    OnTasksRefreshed(task_ids));
+  for (TaskManagerObserver& observer : observers_)
+    observer.OnTasksRefreshed(task_ids);
 }
 
 void TaskManagerInterface::NotifyObserversOnRefreshWithBackgroundCalculations(
       const TaskIdList& task_ids) {
-  FOR_EACH_OBSERVER(TaskManagerObserver,
-                    observers_,
-                    OnTasksRefreshedWithBackgroundCalculations(task_ids));
+  for (TaskManagerObserver& observer : observers_)
+    observer.OnTasksRefreshedWithBackgroundCalculations(task_ids);
 }
 
 void TaskManagerInterface::NotifyObserversOnTaskUnresponsive(TaskId id) {
-  FOR_EACH_OBSERVER(TaskManagerObserver, observers_, OnTaskUnresponsive(id));
+  for (TaskManagerObserver& observer : observers_)
+    observer.OnTaskUnresponsive(id);
 }
 
 base::TimeDelta TaskManagerInterface::GetCurrentRefreshTime() const {
   return refresh_timer_->IsRunning() ? refresh_timer_->GetCurrentDelay()
                                      : base::TimeDelta::Max();
 }
 
 void TaskManagerInterface::ResourceFlagsAdded(int64_t flags) {
   enabled_resources_flags_ |= flags;
 }
 
 void TaskManagerInterface::SetEnabledResourceFlags(int64_t flags) {
   enabled_resources_flags_ = flags;
 }
 
 void TaskManagerInterface::ScheduleRefresh(base::TimeDelta refresh_time) {
   refresh_timer_->Start(FROM_HERE,
                         refresh_time,
                         base::Bind(&TaskManagerInterface::Refresh,
                                    base::Unretained(this)));
 }
 
 }  // namespace task_manager