media config: expand is_encrypted to a struct.

chromecast/media/audio/cast_audio_output_stream.cc

 // Copyright 2015 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 "chromecast/media/audio/cast_audio_output_stream.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_checker.h"
@@ skipping 26 matching lines @@
   if (!decoder)
     return nullptr;
   decoder->SetDelegate(delegate);
 
   AudioConfig audio_config;
   audio_config.codec = kCodecPCM;
   audio_config.sample_format = kSampleFormatS16;
   audio_config.bytes_per_channel = audio_params.bits_per_sample() / 8;
   audio_config.channel_number = audio_params.channels();
   audio_config.samples_per_second = audio_params.sample_rate();
-  audio_config.is_encrypted = false;
 
   if (!decoder->SetConfig(audio_config))
     return nullptr;
 
   if (!backend->Initialize())
     return nullptr;
 
   return decoder;
 }
 
@@ skipping 318 matching lines @@
   audio_task_runner_->PostDelayedTask(
       FROM_HERE,
       base::Bind(&CastAudioOutputStream::PushBuffer,
                  weak_factory_.GetWeakPtr()),
       delay);
   push_in_progress_ = true;
 }
 
 }  // namespace media
 }  // namespace chromecast