Disable COM Initialization on SchedulerWorkers When COM_INIT_CHECK_HOOK_ENABLED()

base/task_scheduler/scheduler_worker.h

 // 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.
 
 #ifndef BASE_TASK_SCHEDULER_SCHEDULER_WORKER_H_
 #define BASE_TASK_SCHEDULER_SCHEDULER_WORKER_H_
 
 #include <memory>
 
 #include "base/base_export.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/atomic_flag.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/task_scheduler/scheduler_lock.h"
 #include "base/task_scheduler/scheduler_worker_params.h"
 #include "base/task_scheduler/sequence.h"
 #include "base/threading/platform_thread.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 
+#if defined(OS_WIN)
+#include "base/win/com_init_check_hook.h"
+#endif
+
 namespace base {
 namespace internal {
 
 class TaskTracker;
 
 // A worker that manages a single thread to run Tasks from Sequences returned
 // by a delegate.
 //
 // A SchedulerWorker starts out sleeping. It is woken up by a call to WakeUp().
 // After a wake-up, a SchedulerWorker runs Tasks from Sequences returned by the
@@ skipping 156 matching lines @@
   std::unique_ptr<Thread> thread_;
 
   bool started_ = false;
   AtomicFlag should_exit_;
 
   const ThreadPriority priority_hint_;
 
   const std::unique_ptr<Delegate> delegate_;
   TaskTracker* const task_tracker_;
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) && !defined(COM_INIT_CHECK_HOOK_ENABLED)
   const SchedulerBackwardCompatibility backward_compatibility_;
 #endif
 
   const InitialState initial_state_;
 
   // Set once JoinForTesting() has been called.
   AtomicFlag join_called_for_testing_;
 
   DISALLOW_COPY_AND_ASSIGN(SchedulerWorker);
 };
 
 }  // namespace internal
 }  // namespace base
 
 #endif  // BASE_TASK_SCHEDULER_SCHEDULER_WORKER_H_