Rename webrtc::PacketInfo to webrtc::PacketFeedback

webrtc/voice_engine/channel.cc

Index: webrtc/voice_engine/channel.cc
diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index a9b9f3a92d848ae2a7179b626bf595c23f9e0769..70550c0b2d89cce1df55bbff63642350792a4f05 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -262,9 +262,9 @@ class TransportFeedbackProxy : public TransportFeedbackObserver {
     if (feedback_observer_)
       feedback_observer_->OnTransportFeedback(feedback);
   }
-  std::vector<PacketInfo> GetTransportFeedbackVector() const override {
+  std::vector<PacketFeedback> GetTransportFeedbackVector() const override {
     RTC_NOTREACHED();
-    return std::vector<PacketInfo>();
+    return std::vector<PacketFeedback>();
   }
 
  private: