Replace AudioDecoder::ProduceAudioSamples/ConsumeAudioSamples with read callbacks.

content/renderer/media/audio_renderer_impl_unittest.cc

Index: content/renderer/media/audio_renderer_impl_unittest.cc
diff --git a/content/renderer/media/audio_renderer_impl_unittest.cc b/content/renderer/media/audio_renderer_impl_unittest.cc
index 21c2c9974a1de70a2bc0bbd97d3296602c9c5886..7a2895bb58536e92512052b3630c23b86bf80f16 100644
--- a/content/renderer/media/audio_renderer_impl_unittest.cc
+++ b/content/renderer/media/audio_renderer_impl_unittest.cc
@@ -168,18 +168,6 @@ TEST_F(AudioRendererImplTest, SetVolume) {
   WaitForIOThreadCompletion();
 }
 
-TEST_F(AudioRendererImplTest, Stop) {
-  // Execute Stop() codepath.
-  // Tasks will be posted internally on the IO thread.
-  renderer_->Stop(media::NewExpectedClosure());
-
-  WaitForIOThreadCompletion();
-
-  // It's possible that the upstream decoder replies right after being stopped.
-  scoped_refptr<media::Buffer> buffer(new media::DataBuffer(kSize));
-  renderer_->ConsumeAudioSamples(buffer);
-}
-
 TEST_F(AudioRendererImplTest, UpdateEarliestEndTime) {
   renderer_->SetPlaybackRate(1.0f);
   WaitForIOThreadCompletion();