media config: expand is_encrypted to a struct.

chromecast/media/audio/cast_audio_output_stream_unittest.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 "base/bind.h"
 #include "base/synchronization/waitable_event.h"
 #include "chromecast/base/metrics/cast_metrics_test_helper.h"
 #include "chromecast/media/audio/cast_audio_manager.h"
 #include "chromecast/media/audio/cast_audio_output_stream.h"
 #include "chromecast/media/base/media_message_loop.h"
@@ skipping 361 matching lines @@
     format_ = format[i];
     ::media::AudioOutputStream* stream = CreateStream();
     ASSERT_TRUE(stream);
     EXPECT_TRUE(OpenStream(stream));
 
     FakeAudioDecoder* audio_decoder = GetAudio();
     ASSERT_TRUE(audio_decoder);
     const AudioConfig& audio_config = audio_decoder->config();
     EXPECT_EQ(kCodecPCM, audio_config.codec);
     EXPECT_EQ(kSampleFormatS16, audio_config.sample_format);
-    EXPECT_FALSE(audio_config.is_encrypted);
+    EXPECT_EQ(audio_config.encryption_scheme.mode,
+              EncryptionScheme::kCipherModeNone);
 
     CloseStream(stream);
   }
 }
 
 TEST_F(CastAudioOutputStreamTest, ChannelLayout) {
   ::media::ChannelLayout layout[] = {::media::CHANNEL_LAYOUT_MONO,
                                      ::media::CHANNEL_LAYOUT_STEREO};
   for (size_t i = 0; i < arraysize(layout); ++i) {
     channel_layout_ = layout[i];
@@ skipping 248 matching lines @@
 TEST_F(CastAudioOutputStreamTest, CloseWithoutStart) {
   ::media::AudioOutputStream* stream = CreateStream();
   ASSERT_TRUE(stream);
   ASSERT_TRUE(OpenStream(stream));
   CloseStream(stream);
 }
 
 }  // namespace
 }  // namespace media
 }  // namespace chromecast