Remove AudioBuffersState class.

media/audio/android/audio_android_unittest.cc

Index: media/audio/android/audio_android_unittest.cc
diff --git a/media/audio/android/audio_android_unittest.cc b/media/audio/android/audio_android_unittest.cc
index 177953d88f1c714874a1038f8667f65fe5b3e1c4..d3332370d04e28bb81199a9b1d15b6a4fbc99e80 100644
--- a/media/audio/android/audio_android_unittest.cc
+++ b/media/audio/android/audio_android_unittest.cc
@@ -123,7 +123,7 @@ static void CheckDeviceNames(const AudioDeviceNames& device_names) {
 }
 
 // We clear the data bus to ensure that the test does not cause noise.
-static int RealOnMoreData(AudioBus* dest, AudioBuffersState buffers_state) {
+static int RealOnMoreData(AudioBus* dest, int total_bytes_delay) {
   dest->Zero();
   return dest->frames();
 }
@@ -178,7 +178,7 @@ class FileAudioSource : public AudioOutputStream::AudioSourceCallback {
   // Use samples read from a data file and fill up the audio buffer
   // provided to us in the callback.
   virtual int OnMoreData(AudioBus* audio_bus,
-                         AudioBuffersState buffers_state) OVERRIDE {
+                         int total_bytes_delay) OVERRIDE {
     bool stop_playing = false;
     int max_size =
         audio_bus->frames() * audio_bus->channels() * kBytesPerSample;
@@ -354,7 +354,7 @@ class FullDuplexAudioSinkSource
 
   // AudioOutputStream::AudioSourceCallback implementation
   virtual int OnMoreData(AudioBus* dest,
-                         AudioBuffersState buffers_state) OVERRIDE {
+                         int total_bytes_delay) OVERRIDE {
     const int size_in_bytes =
         (params_.bits_per_sample() / 8) * dest->frames() * dest->channels();
     EXPECT_EQ(size_in_bytes, params_.GetBytesPerBuffer());