Remove AudioBuffersState usage in Chromium

media/audio/audio_output_proxy_unittest.cc

Index: media/audio/audio_output_proxy_unittest.cc
diff --git a/media/audio/audio_output_proxy_unittest.cc b/media/audio/audio_output_proxy_unittest.cc
index 0ccf78e7a0c55cfc246be7912c065764e8f0d524..17b6542b534f6f01ba29c8333a34885b3ea4ad7f 100644
--- a/media/audio/audio_output_proxy_unittest.cc
+++ b/media/audio/audio_output_proxy_unittest.cc
@@ -25,7 +25,6 @@ using ::testing::NotNull;
 using ::testing::Return;
 using ::testing::SetArrayArgument;
 using media::AudioBus;
-using media::AudioBuffersState;
 using media::AudioInputStream;
 using media::AudioManager;
 using media::AudioManagerBase;
@@ -125,7 +124,7 @@ class MockAudioManager : public AudioManagerBase {
 
 class MockAudioSourceCallback : public AudioOutputStream::AudioSourceCallback {
  public:
-  int OnMoreData(AudioBus* audio_bus, AudioBuffersState buffers_state) {
+  int OnMoreData(AudioBus* audio_bus, int total_bytes_delay) {
     audio_bus->Zero();
     return audio_bus->frames();
   }