Use uint16 for port numbers more pervasively.

net/base/net_util.cc

Index: net/base/net_util.cc
diff --git a/net/base/net_util.cc b/net/base/net_util.cc
index 9dcf9dfccac8c82d4856c357ffc9b9c374c330f5..dcc1363ac23547f4c27d4e343bbaedbba7dc0160 100644
--- a/net/base/net_util.cc
+++ b/net/base/net_util.cc
@@ -306,7 +306,7 @@ bool IsPortAllowedByDefault(int port) {
       return false;
     }
   }
-  return true;
+  return IsPortValid(port);
 }
 
 bool IsPortAllowedByFtp(int port) {
@@ -573,7 +573,7 @@ bool GetIPAddressFromSockAddr(const struct sockaddr* sock_addr,
     *address = reinterpret_cast<const uint8*>(&addr->btAddr);
     *address_len = kBluetoothAddressSize;
     if (port)
-      *port = addr->port;
+      *port = static_cast<uint16>(addr->port);
     return true;
   }
 #endif