[chrome.cast.channel] Remove event logging.

extensions/browser/api/cast_channel/cast_transport.h

Index: extensions/browser/api/cast_channel/cast_transport.h
diff --git a/extensions/browser/api/cast_channel/cast_transport.h b/extensions/browser/api/cast_channel/cast_transport.h
index de9d2944e5ef82027083b48f5312380cfaaadc06..d4e5805254641b7e9ec22080c2d7c3d33cfc52b0 100644
--- a/extensions/browser/api/cast_channel/cast_transport.h
+++ b/extensions/browser/api/cast_channel/cast_transport.h
@@ -16,10 +16,10 @@
 #include "extensions/common/api/cast_channel.h"
 #include "extensions/common/api/cast_channel/logging.pb.h"
 #include "net/base/completion_callback.h"
+#include "net/base/ip_endpoint.h"
 
 namespace net {
 class DrainableIOBuffer;
-class IPEndPoint;
 class DrainableIOBuffer;
 class GrowableIOBuffer;
 class Socket;
@@ -29,7 +29,6 @@ namespace extensions {
 namespace api {
 namespace cast_channel {
 class CastMessage;
-class Logger;
 class MessageFramer;
 
 class CastTransport {