Refactoring: CastTransport InitializeAudio/InitializeVideo.

media/cast/net/cast_transport.h

Index: media/cast/net/cast_transport.h
diff --git a/media/cast/net/cast_transport.h b/media/cast/net/cast_transport.h
index 48fc5fe7f6eb42f196bfadb0ba839c15fd83b6f7..9f1c8bb34f02872cdee34d967d77b11f0e21d70f 100644
--- a/media/cast/net/cast_transport.h
+++ b/media/cast/net/cast_transport.h
@@ -110,10 +110,8 @@ class CastTransport : public base::NonThreadSafe {
   // Audio/Video initialization.
   // Encoded frames cannot be transmitted until the relevant initialize method
   // is called.
-  virtual void InitializeAudio(const CastTransportRtpConfig& config,
-                               std::unique_ptr<RtcpObserver> rtcp_observer) {}
-  virtual void InitializeVideo(const CastTransportRtpConfig& config,
-                               std::unique_ptr<RtcpObserver> rtcp_observer) {}
+  virtual void InitializeStream(const CastTransportRtpConfig& config,
+                                std::unique_ptr<RtcpObserver> rtcp_observer) {}
 
   // Encrypt, packetize and transmit |frame|. |ssrc| must refer to a
   // a channel already established with InitializeAudio / InitializeVideo.