Add mute state field to AudioFrame.

webrtc/modules/audio_coding/test/opus_test.cc

Index: webrtc/modules/audio_coding/test/opus_test.cc
diff --git a/webrtc/modules/audio_coding/test/opus_test.cc b/webrtc/modules/audio_coding/test/opus_test.cc
index 892eb37c3f6423424b153c377e57e8b1992e0f6b..cee4aafb434c642383227e13c571645dad336c66 100644
--- a/webrtc/modules/audio_coding/test/opus_test.cc
+++ b/webrtc/modules/audio_coding/test/opus_test.cc
@@ -263,7 +263,7 @@ void OpusTest::Run(TestPackStereo* channel, size_t channels, int bitrate,
 
     // If input audio is sampled at 32 kHz, resampling to 48 kHz is required.
     EXPECT_EQ(480,
-              resampler_.Resample10Msec(audio_frame.data_,
+              resampler_.Resample10Msec(audio_frame.data(),
                                         audio_frame.sample_rate_hz_,
                                         48000,
                                         channels,
@@ -348,7 +348,7 @@ void OpusTest::Run(TestPackStereo* channel, size_t channels, int bitrate,
 
     // Write output speech to file.
     out_file_.Write10MsData(
-        audio_frame.data_,
+        audio_frame.data(),
         audio_frame.samples_per_channel_ * audio_frame.num_channels_);
 
     // Write stand-alone speech to file.