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

net/tools/quic/quic_server_session.h

Index: net/tools/quic/quic_server_session.h
diff --git a/net/tools/quic/quic_server_session.h b/net/tools/quic/quic_server_session.h
index 36af7f55ba0638101783575a248f7df57cc844f5..91a0704dc2257d6e4a806af4715b54563b975522 100644
--- a/net/tools/quic/quic_server_session.h
+++ b/net/tools/quic/quic_server_session.h
@@ -20,6 +20,8 @@ namespace net {
 class QuicConnection;
 class ReliableQuicStream;
 
+namespace tools {
+
 // An interface from the session to the entity owning the session.
 // This lets the session notify its owner (the Dispatcher) when the connection
 // is closed.
@@ -58,6 +60,7 @@ class QuicServerSession : public QuicSession {
   DISALLOW_COPY_AND_ASSIGN(QuicServerSession);
 };
 
+}  // namespace tools
 }  // namespace net
 
 #endif  // NET_TOOLS_QUIC_QUIC_SERVER_SESSION_H_