Remove deprecated base::NonThreadSafe in media/cast.

media/cast/sender/audio_sender.h

 // Copyright 2014 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_CAST_SENDER_AUDIO_SENDER_H_
 #define MEDIA_CAST_SENDER_AUDIO_SENDER_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
 #include "media/base/audio_bus.h"
 #include "media/cast/cast_config.h"
 #include "media/cast/cast_sender.h"
 #include "media/cast/sender/frame_sender.h"
 
 namespace media {
 namespace cast {
 
 class AudioEncoder;
 
 // Not thread safe. Only called from the main cast thread.
 // This class owns all objects related to sending audio, objects that create RTP
 // packets, congestion control, audio encoder, parsing and sending of
 // RTCP packets.
 // Additionally it posts a bunch of delayed tasks to the main thread for various
 // timeouts.
-class AudioSender : public FrameSender, public base::NonThreadSafe {
+class AudioSender : public FrameSender {
  public:
   AudioSender(scoped_refptr<CastEnvironment> cast_environment,
               const FrameSenderConfig& audio_config,
               const StatusChangeCallback& status_change_cb,
               CastTransport* const transport_sender);
 
   ~AudioSender() final;
 
   // Note: It is not guaranteed that |audio_frame| will actually be encoded and
   // sent, if AudioSender detects too many frames in flight.  Therefore, clients
@@ skipping 22 matching lines @@
   // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<AudioSender> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AudioSender);
 };
 
 }  // namespace cast
 }  // namespace media
 
 #endif  // MEDIA_CAST_SENDER_AUDIO_SENDER_H_