Rename QUIC connection timeout error codes to be more descriptive.

net/quic/quic_connection.h

Index: net/quic/quic_connection.h
diff --git a/net/quic/quic_connection.h b/net/quic/quic_connection.h
index 7b4f0a094441affbfa8561b849c93b4048530021..b6073014e8c3d2c92ff27988cbc8559200a2de4b 100644
--- a/net/quic/quic_connection.h
+++ b/net/quic/quic_connection.h
@@ -519,8 +519,8 @@ class NET_EXPORT_PRIVATE QuicConnection
   // Returns true if the connection has queued packets or frames.
   bool HasQueuedData() const;
 
-  // Sets the overall and idle state connection timeouts.
-  void SetNetworkTimeouts(QuicTime::Delta overall_timeout,
+  // Sets the handshake and idle state connection timeouts.
+  void SetNetworkTimeouts(QuicTime::Delta handshake_timeout,
                           QuicTime::Delta idle_timeout);
 
   // If the connection has timed out, this will close the connection.
@@ -947,10 +947,10 @@ class NET_EXPORT_PRIVATE QuicConnection
   // An alarm that fires when an FEC packet should be sent.
   QuicArenaScopedPtr<QuicAlarm> fec_alarm_;
 
-  // Network idle time before we kill of this connection.
+  // Network idle time before this connection is closed.
   QuicTime::Delta idle_network_timeout_;
-  // Overall connection timeout.
-  QuicTime::Delta overall_connection_timeout_;
+  // The connection will wait this long for the handshake to complete.
+  QuicTime::Delta handshake_timeout_;
 
   // Statistics for this session.
   QuicConnectionStats stats_;