Remove usage of FOR_EACH_OBSERVER macro in platform/scheduler

third_party/WebKit/Source/platform/scheduler/base/task_queue_impl.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 "platform/scheduler/base/task_queue_impl.h"
 
 #include "base/trace_event/blame_context.h"
 #include "platform/scheduler/base/task_queue_manager.h"
 #include "platform/scheduler/base/task_queue_manager_delegate.h"
 #include "platform/scheduler/base/time_domain.h"
@@ skipping 489 matching lines @@
 void TaskQueueImpl::RemoveTaskObserver(
     base::MessageLoop::TaskObserver* task_observer) {
   main_thread_only().task_observers.RemoveObserver(task_observer);
 }
 
 void TaskQueueImpl::NotifyWillProcessTask(
     const base::PendingTask& pending_task) {
   DCHECK(should_notify_observers_);
   if (main_thread_only().blame_context)
     main_thread_only().blame_context->Enter();
-  FOR_EACH_OBSERVER(base::MessageLoop::TaskObserver,
-                    main_thread_only().task_observers,
-                    WillProcessTask(pending_task));
+  for (auto& observer : main_thread_only().task_observers)
+    observer.WillProcessTask(pending_task);
 }
 
 void TaskQueueImpl::NotifyDidProcessTask(
     const base::PendingTask& pending_task) {
   DCHECK(should_notify_observers_);
-  FOR_EACH_OBSERVER(base::MessageLoop::TaskObserver,
-                    main_thread_only().task_observers,
-                    DidProcessTask(pending_task));
+  for (auto& observer : main_thread_only().task_observers)
+    observer.DidProcessTask(pending_task);
   if (main_thread_only().blame_context)
     main_thread_only().blame_context->Leave();
 }
 
 void TaskQueueImpl::SetTimeDomain(TimeDomain* time_domain) {
   {
     base::AutoLock lock(any_thread_lock_);
     DCHECK(time_domain);
     // NOTE this is similar to checking |any_thread().task_queue_manager| but
     // the TaskQueueSelectorTests constructs TaskQueueImpl directly with a null
@@ skipping 165 matching lines @@
   state->SetBoolean("is_cancelled", task.task.IsCancelled());
   state->SetDouble(
       "delayed_run_time",
       (task.delayed_run_time - base::TimeTicks()).InMicroseconds() / 1000.0L);
   state->EndDictionary();
 }
 
 }  // namespace internal
 }  // namespace scheduler
 }  // namespace blink