Enhance net internals/net log output for QUIC.

net/base/net_log_event_type_list.h

Index: net/base/net_log_event_type_list.h
diff --git a/net/base/net_log_event_type_list.h b/net/base/net_log_event_type_list.h
index 050bd246644d9af6ec3b808c40dce6a57775fabb..7a9dca4851956afbbee1b5663bb9e7c9934f6c22 100644
--- a/net/base/net_log_event_type_list.h
+++ b/net/base/net_log_event_type_list.h
@@ -1209,6 +1209,38 @@ EVENT_TYPE(SPDY_PROXY_CLIENT_SESSION)
 //   }
 
 // ------------------------------------------------------------------------
+// QuicSession
+// ------------------------------------------------------------------------
+
+// The start/end of a QuicSession.
+//   {
+//     "host": <The host-port string>,
+//   }
+EVENT_TYPE(QUIC_SESSION)
+
+// Session is closing because of an error.
+//   {
+//     "net_error": <Net error code for the closure>
+//   }
+EVENT_TYPE(QUIC_SESSION_CLOSE_ON_ERROR)
+
+// ------------------------------------------------------------------------
+// QuicHttpStream
+// ------------------------------------------------------------------------
+
+// The stream is sending the request headers.
+//   {
+//     "headers": <The list of header:value pairs>
+//   }
+EVENT_TYPE(QUIC_HTTP_STREAM_SEND_REQUEST_HEADERS)
+
+// The stream has read the response headers.
+//   {
+//     "headers": <The list of header:value pairs>
+//   }
+EVENT_TYPE(QUIC_HTTP_STREAM_READ_RESPONSE_HEADERS)
+
+// ------------------------------------------------------------------------
 // HttpStreamParser
 // ------------------------------------------------------------------------