Revert of Implement AudioReceiveStream::GetStats().

talk/media/webrtc/fakewebrtccall.cc

Index: talk/media/webrtc/fakewebrtccall.cc
diff --git a/talk/media/webrtc/fakewebrtccall.cc b/talk/media/webrtc/fakewebrtccall.cc
index 399ab138dff4aeccc28bc1cbf7563d0dadeaa717..a0386b011e6622ea34d70d8af377f6c3fcb4abee 100644
--- a/talk/media/webrtc/fakewebrtccall.cc
+++ b/talk/media/webrtc/fakewebrtccall.cc
@@ -40,14 +40,13 @@
   RTC_DCHECK(config.voe_channel_id != -1);
 }
 
+webrtc::AudioReceiveStream::Stats FakeAudioReceiveStream::GetStats() const {
+  return webrtc::AudioReceiveStream::Stats();
+}
+
 const webrtc::AudioReceiveStream::Config&
     FakeAudioReceiveStream::GetConfig() const {
   return config_;
-}
-
-void FakeAudioReceiveStream::SetStats(
-    const webrtc::AudioReceiveStream::Stats& stats) {
-  stats_ = stats;
 }
 
 void FakeAudioReceiveStream::IncrementReceivedPackets() {