Convert audio samples in Whispernet.

chrome/browser/copresence/chrome_whispernet_client.cc

Index: chrome/browser/copresence/chrome_whispernet_client.cc
diff --git a/chrome/browser/copresence/chrome_whispernet_client.cc b/chrome/browser/copresence/chrome_whispernet_client.cc
index d8b486998c700e222e606607c35d0323f34a7aa7..51539f72ebb35e8caa4ff7a5d8408f02266894a2 100644
--- a/chrome/browser/copresence/chrome_whispernet_client.cc
+++ b/chrome/browser/copresence/chrome_whispernet_client.cc
@@ -14,6 +14,9 @@
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_system.h"
 #include "grit/browser_resources.h"
+#include "media/audio/audio_manager.h"
+#include "media/audio/audio_manager_base.h"
+#include "media/audio/audio_parameters.h"
 
 using audio_modem::AUDIBLE;
 using audio_modem::AudioType;
@@ -28,10 +31,19 @@ namespace copresence_private = extensions::api::copresence_private;
 namespace {
 
 AudioParamData GetDefaultAudioConfig() {
+  media::AudioParameters params =
+      media::AudioManager::Get()->GetInputStreamParameters(
+          media::AudioManagerBase::kDefaultDeviceId);
+
   AudioParamData config_data = {};
+
   config_data.audio_dtmf.coder_sample_rate =
       config_data.audio_dsss.coder_sample_rate =
           audio_modem::kDefaultSampleRate;
+
+  config_data.audio_dtmf.recording_sample_rate =
+      config_data.audio_dsss.recording_sample_rate = params.sample_rate();
+
   config_data.audio_dtmf.num_repetitions_to_play =
       config_data.audio_dsss.num_repetitions_to_play =
           audio_modem::kDefaultRepetitions;
@@ -40,7 +52,7 @@ AudioParamData GetDefaultAudioConfig() {
   config_data.audio_dsss.desired_carrier_frequency =
       audio_modem::kDefaultCarrierFrequency;
 
-  config_data.recording_channels = audio_modem::kDefaultChannels;
+  config_data.recording_channels = params.channels();
 
   return config_data;
 }