Change audio render thread checking to use new AudioRendererSink::BelongsToRendererThread()

media/audio/audio_device_thread.h

 // 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.
 
 #ifndef MEDIA_AUDIO_AUDIO_DEVICE_THREAD_H_
 #define MEDIA_AUDIO_AUDIO_DEVICE_THREAD_H_
 
 #include <stdint.h>
 
 #include "base/macros.h"
@@ skipping 79 matching lines @@
   // be made (IOW after Stop() returns, it is safe to delete the callback).
   // The |loop_for_join| parameter is required for asynchronous operation
   // in order to join the worker thread and close the thread handle later via a
   // posted task.
   // If set to NULL, function will wait for the thread to exit before returning.
   void Stop(base::MessageLoop* loop_for_join);
 
   // Returns true if the thread is stopped or stopping.
   bool IsStopped();
 
+  // Returns true if called on the device thread, otherwise false.
+  bool BelongsToRenderingThread();

[tommi (sloooow) - chröme, 2016/06/13 14:15:21]

similarly, CurrentThreadIsDeviceThread()

[Henrik Grunell, 2016/06/14 11:30:01]

Removed.

+
  private:
   // Our own private SimpleThread override.  We implement this in a
   // private class so that we get the following benefits:
   // 1) AudioDeviceThread doesn't expose SimpleThread methods.
   //    I.e. the caller can't call Start()/Stop() - which would be bad.
   // 2) We override ThreadMain to add additional on-thread initialization
   //    while still synchronized with SimpleThread::Start() to provide
   //    reliable initialization.
   class Thread;
 
   base::Lock thread_lock_;
   scoped_refptr<AudioDeviceThread::Thread> thread_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioDeviceThread);
 };
 
 }  // namespace media.
 
 #endif  // MEDIA_AUDIO_AUDIO_DEVICE_THREAD_H_