Make base::Timer sequence-friendly.

media/filters/android/media_codec_audio_decoder.cc

 // 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.
 
 #include "media/filters/android/media_codec_audio_decoder.h"
 
 #include "base/android/build_info.h"
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/logging.h"
@@ skipping 108 matching lines @@
   jobject media_crypto_obj = media_crypto_ ? media_crypto_->obj() : nullptr;
   std::unique_ptr<MediaCodecBridge> audio_codec_bridge(
       MediaCodecBridgeImpl::CreateAudioDecoder(config_, media_crypto_obj));
   if (!audio_codec_bridge) {
     DLOG(ERROR) << __func__ << " failed: cannot create MediaCodecBridge";
     return false;
   }
 
   codec_loop_.reset(
       new MediaCodecLoop(base::android::BuildInfo::GetInstance()->sdk_int(),
-                         this, std::move(audio_codec_bridge)));
+                         this, std::move(audio_codec_bridge),
+                         scoped_refptr<base::SingleThreadTaskRunner>()));
 
   return true;
 }
 
 void MediaCodecAudioDecoder::Decode(const scoped_refptr<DecoderBuffer>& buffer,
                                     const DecodeCB& decode_cb) {
   DecodeCB bound_decode_cb = BindToCurrentLoop(decode_cb);
 
   if (!buffer->end_of_stream() && buffer->timestamp() == kNoTimestamp) {
     DVLOG(2) << __func__ << " " << buffer->AsHumanReadableString()
@@ skipping 327 matching lines @@
     RETURN_STRING(STATE_READY);
     RETURN_STRING(STATE_ERROR);
   }
   NOTREACHED() << "Unknown state " << state;
   return nullptr;
 }
 
 #undef RETURN_STRING
 
 }  // namespace media