Reland 153623004: Remove the unified IO code on the browser

media/audio/mock_audio_manager.cc

Index: media/audio/mock_audio_manager.cc
diff --git a/media/audio/mock_audio_manager.cc b/media/audio/mock_audio_manager.cc
index 5984790e99e942ab301cefb65685b95f709eed15..318bf09269c43968a5420355a7b28b00d47fac6c 100644
--- a/media/audio/mock_audio_manager.cc
+++ b/media/audio/mock_audio_manager.cc
@@ -47,16 +47,14 @@ void MockAudioManager::GetAudioOutputDeviceNames(
 
 media::AudioOutputStream* MockAudioManager::MakeAudioOutputStream(
     const media::AudioParameters& params,
-    const std::string& device_id,
-    const std::string& input_device_id) {
+    const std::string& device_id) {
   NOTREACHED();
   return NULL;
 }
 
 media::AudioOutputStream* MockAudioManager::MakeAudioOutputStreamProxy(
     const media::AudioParameters& params,
-    const std::string& device_id,
-    const std::string& input_device_id) {
+    const std::string& device_id) {
   NOTREACHED();
   return NULL;
 }