Moving net/tools/quic code to net::tools namspace

net/tools/quic/quic_epoll_connection_helper.cc

Index: net/tools/quic/quic_epoll_connection_helper.cc
diff --git a/net/tools/quic/quic_epoll_connection_helper.cc b/net/tools/quic/quic_epoll_connection_helper.cc
index 75f065360eb5177f3f1ceae29345c67654af81d0..d4266a2bd5a1ab482f93a7210448f0b976a8afc4 100644
--- a/net/tools/quic/quic_epoll_connection_helper.cc
+++ b/net/tools/quic/quic_epoll_connection_helper.cc
@@ -15,6 +15,7 @@
 #include "net/tools/quic/quic_socket_utils.h"
 
 namespace net {
+namespace tools {
 
 // This alarm will be scheduled any time a data-bearing packet is sent out.
 // When the alarm goes off, the connection checks to see if the oldest packets
@@ -203,4 +204,5 @@ void QuicEpollConnectionHelper::UnregisterSendAlarmIfRegistered() {
   send_alarm_->UnregisterIfRegistered();
 }
 
+}  // namespace tools
 }  // namespace net