Remove time getters from AudioBufferQueue and AudioRendererAlgorithm.

media/filters/audio_renderer_algorithm.cc

Index: media/filters/audio_renderer_algorithm.cc
diff --git a/media/filters/audio_renderer_algorithm.cc b/media/filters/audio_renderer_algorithm.cc
index fb5cf7428c8945e79fb0ed5eb238dfcd9ba3d692..b604b9ee273ece28e0360c28a1aae5a49c678604 100644
--- a/media/filters/audio_renderer_algorithm.cc
+++ b/media/filters/audio_renderer_algorithm.cc
@@ -210,10 +210,6 @@ void AudioRendererAlgorithm::FlushBuffers() {
   capacity_ = kStartingBufferSizeInFrames;
 }
 
-base::TimeDelta AudioRendererAlgorithm::GetTime() {
-  return audio_buffer_.current_time();
-}
-
 void AudioRendererAlgorithm::EnqueueBuffer(
     const scoped_refptr<AudioBuffer>& buffer_in) {
   DCHECK(!buffer_in->end_of_stream());