Use uint16 for port numbers more pervasively.

remoting/host/remoting_me2me_host.cc

Index: remoting/host/remoting_me2me_host.cc
diff --git a/remoting/host/remoting_me2me_host.cc b/remoting/host/remoting_me2me_host.cc
index f880803c2c3388a96b66652c85f1ad8c4df16951..a01122a26dc5a7d88c30be3bd39860bfb6620f2e 100644
--- a/remoting/host/remoting_me2me_host.cc
+++ b/remoting/host/remoting_me2me_host.cc
@@ -306,8 +306,8 @@ class HostProcess
   bool host_username_match_required_;
   bool allow_nat_traversal_;
   bool allow_relay_;
-  int min_udp_port_;
-  int max_udp_port_;
+  uint16 min_udp_port_;
+  uint16 max_udp_port_;
   std::string talkgadget_prefix_;
   bool allow_pairing_;
 
@@ -1067,8 +1067,8 @@ bool HostProcess::OnUdpPortPolicyUpdate(base::DictionaryValue* policies) {
   }
 
   // Use default values if policy setting is empty or invalid.
-  int min_udp_port = 0;
-  int max_udp_port = 0;
+  uint16 min_udp_port = 0;
+  uint16 max_udp_port = 0;
   if (!udp_port_range.empty() &&
       !NetworkSettings::ParsePortRange(udp_port_range, &min_udp_port,
                                        &max_udp_port)) {