Pretty-print QUIC CONNECTION_CLOSE and RST_STREAM error codes.

net/quic/quic_connection_logger.cc

Index: net/quic/quic_connection_logger.cc
diff --git a/net/quic/quic_connection_logger.cc b/net/quic/quic_connection_logger.cc
index 5b335443a86c92642cee6508379c7a36464e98bd..9a0350921923ff74af51ad2bfb44b0804a8caf6d 100644
--- a/net/quic/quic_connection_logger.cc
+++ b/net/quic/quic_connection_logger.cc
@@ -113,7 +113,7 @@ Value* NetLogQuicRstStreamFrameCallback(const QuicRstStreamFrame* frame,
                                         NetLog::LogLevel /* log_level */) {
   DictionaryValue* dict = new DictionaryValue();
   dict->SetInteger("stream_id", frame->stream_id);
-  dict->SetInteger("error_code", frame->error_code);
+  dict->SetInteger("quic_rst_stream_error", frame->error_code);
   dict->SetString("details", frame->error_details);
   return dict;
 }
@@ -122,7 +122,7 @@ Value* NetLogQuicConnectionCloseFrameCallback(
     const QuicConnectionCloseFrame* frame,
     NetLog::LogLevel /* log_level */) {
   DictionaryValue* dict = new DictionaryValue();
-  dict->SetInteger("error_code", frame->error_code);
+  dict->SetInteger("quic_error", frame->error_code);
   dict->SetString("details", frame->error_details);
   return dict;
 }