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

net/tools/quic/quic_epoll_connection_helper.h

Index: net/tools/quic/quic_epoll_connection_helper.h
diff --git a/net/tools/quic/quic_epoll_connection_helper.h b/net/tools/quic/quic_epoll_connection_helper.h
index 59c539c32c85c2cb89733751cd4386a3728707bd..edf56156fc85d0b5824e328dffc4afa98cea7e91 100644
--- a/net/tools/quic/quic_epoll_connection_helper.h
+++ b/net/tools/quic/quic_epoll_connection_helper.h
@@ -20,9 +20,12 @@
 
 namespace net {
 
-class AckAlarm;
 class EpollServer;
 class QuicRandom;
+
+namespace tools {
+
+class AckAlarm;
 class RetransmissionAlarm;
 class SendAlarm;
 class TimeoutAlarm;
@@ -77,6 +80,7 @@ class QuicEpollConnectionHelper : public QuicConnectionHelperInterface {
   DISALLOW_COPY_AND_ASSIGN(QuicEpollConnectionHelper);
 };
 
+}  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_EPOLL_CONNECTION_HELPER_H_