Remove various 'using std::' statements from QUIC code and use

net/quic/core/quic_config.cc

Index: net/quic/core/quic_config.cc
diff --git a/net/quic/core/quic_config.cc b/net/quic/core/quic_config.cc
index 8dc68e96a6952c36268012638f12662fd1735302..8f147218b84ab35cff7f7d3afe548a56d18a4a23 100644
--- a/net/quic/core/quic_config.cc
+++ b/net/quic/core/quic_config.cc
@@ -13,7 +13,6 @@
 #include "net/quic/core/quic_socket_address_coder.h"
 #include "net/quic/core/quic_utils.h"
 
-using std::min;
 using std::string;
 
 namespace net {
@@ -109,7 +108,7 @@ QuicErrorCode QuicNegotiableUint32::ProcessPeerHello(
   }
 
   set_negotiated(true);
-  negotiated_value_ = min(value, max_value_);
+  negotiated_value_ = std::min(value, max_value_);
   return QUIC_NO_ERROR;
 }