Use uint16 for port numbers, misc edition

remoting/protocol/network_settings.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "remoting/protocol/network_settings.h"
 
 #include <limits.h>
 #include <stdlib.h>
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 
 namespace remoting {
 namespace protocol {
 
 // static
   bool NetworkSettings::ParsePortRange(const std::string& port_range,
-                                       int* out_min_port,
-                                       int* out_max_port) {
+                                       uint16* out_min_port,
+                                       uint16* out_max_port) {
   size_t separator_index = port_range.find('-');
   if (separator_index == std::string::npos)
     return false;
 
   std::string min_port_string, max_port_string;
   base::TrimWhitespaceASCII(port_range.substr(0, separator_index),
                             base::TRIM_ALL,
                             &min_port_string);
   base::TrimWhitespaceASCII(port_range.substr(separator_index + 1),
                             base::TRIM_ALL,
                             &max_port_string);
 
   unsigned min_port, max_port;
   if (!base::StringToUint(min_port_string, &min_port) ||
       !base::StringToUint(max_port_string, &max_port)) {
     return false;
   }
 
   if (min_port == 0 || min_port > max_port || max_port > USHRT_MAX)
     return false;
 
-  *out_min_port = static_cast<int>(min_port);
-  *out_max_port = static_cast<int>(max_port);
+  *out_min_port = static_cast<uint16>(min_port);
+  *out_max_port = static_cast<uint16>(max_port);
   return true;
 }
 
 }  // namespace protocol
 }  // namespace remoting