Replace MessageLoopProxy with SingleThreadTaskRunner for media/filters/ + associated code.

media/filters/decrypting_demuxer_stream.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_FILTERS_DECRYPTING_DEMUXER_STREAM_H_
 #define MEDIA_FILTERS_DECRYPTING_DEMUXER_STREAM_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "media/base/audio_decoder_config.h"
 #include "media/base/decryptor.h"
 #include "media/base/demuxer_stream.h"
 #include "media/base/pipeline_status.h"
 #include "media/base/video_decoder_config.h"
 
 namespace base {
-class MessageLoopProxy;
+class SingleThreadTaskRunner;
 }
 
 namespace media {
 
 class DecoderBuffer;
 
 // Decryptor-based DemuxerStream implementation that converts a potentially
 // encrypted demuxer stream to a clear demuxer stream.
-// All public APIs and callbacks are trampolined to the |message_loop_| so
+// All public APIs and callbacks are trampolined to the |task_runner_| so
 // that no locks are required for thread safety.
 class MEDIA_EXPORT DecryptingDemuxerStream : public DemuxerStream {
  public:
   DecryptingDemuxerStream(
-      const scoped_refptr<base::MessageLoopProxy>& message_loop,
+      const scoped_refptr<base::SingleThreadTaskRunner>& task_runner,
       const SetDecryptorReadyCB& set_decryptor_ready_cb);
   virtual ~DecryptingDemuxerStream();
 
   void Initialize(DemuxerStream* stream,
                   const PipelineStatusCB& status_cb);
 
   // Cancels all pending operations and fires all pending callbacks.  Sets
   // |this| to kUninitialized state if |this| hasn't been initialized, or to
   // kIdle state otherwise.
   void Reset(const base::Closure& closure);
@@ skipping 39 matching lines @@
   // Resets decoder and calls |reset_cb_|.
   void DoReset();
 
   // Returns Decryptor::StreamType converted from |stream_type_|.
   Decryptor::StreamType GetDecryptorStreamType() const;
 
   // Creates and initializes either |audio_config_| or |video_config_| based on
   // |demuxer_stream_|.
   void InitializeDecoderConfig();
 
-  scoped_refptr<base::MessageLoopProxy> message_loop_;
+  scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   base::WeakPtrFactory<DecryptingDemuxerStream> weak_factory_;
   base::WeakPtr<DecryptingDemuxerStream> weak_this_;
 
   State state_;
 
   PipelineStatusCB init_cb_;
   ReadCB read_cb_;
   base::Closure reset_cb_;
 
   // Pointer to the input demuxer stream that will feed us encrypted buffers.
@@ skipping 15 matching lines @@
   // If this variable is true and kNoKey is returned then we need to try
   // decrypting again in case the newly added key is the correct decryption key.
   bool key_added_while_decrypt_pending_;
 
   DISALLOW_COPY_AND_ASSIGN(DecryptingDemuxerStream);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_DECRYPTING_DEMUXER_STREAM_H_