Use uint16 for port numbers more pervasively.

chrome/browser/devtools/browser_list_tabcontents_provider.cc

 // Copyright (c) 2012 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 "chrome/browser/devtools/browser_list_tabcontents_provider.h"
 
 #include "base/path_service.h"
 #include "base/strings/string_number_conversions.h"
 #include "chrome/browser/history/top_sites.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "chrome/common/chrome_paths.h"
 #include "content/public/common/url_constants.h"
 #include "grit/browser_resources.h"
 #include "net/base/net_errors.h"
 #include "net/socket/tcp_server_socket.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "ui/base/resource/resource_bundle.h"
 
 namespace {
 
-const int kMinTetheringPort = 9333;
-const int kMaxTetheringPort = 9444;
+const uint16 kMinTetheringPort = 9333;
+const uint16 kMaxTetheringPort = 9444;
 
 const int kBackLog = 10;
 
 base::LazyInstance<bool>::Leaky g_tethering_enabled = LAZY_INSTANCE_INITIALIZER;
 
 }
 
 // static
 void BrowserListTabContentsProvider::EnableTethering() {
   g_tethering_enabled.Get() = true;
@@ skipping 42 matching lines @@
 }
 
 scoped_ptr<net::ServerSocket>
 BrowserListTabContentsProvider::CreateSocketForTethering(
     std::string* name) {
   if (!g_tethering_enabled.Get())
     return scoped_ptr<net::ServerSocket>();
 
   if (last_tethering_port_ == kMaxTetheringPort)
     last_tethering_port_ = kMinTetheringPort;
-  int port = ++last_tethering_port_;
+  uint16 port = ++last_tethering_port_;
   *name = base::IntToString(port);
   scoped_ptr<net::TCPServerSocket> socket(
       new net::TCPServerSocket(nullptr, net::NetLog::Source()));
   if (socket->ListenWithAddressAndPort("127.0.0.1", port, kBackLog) != net::OK)
     return scoped_ptr<net::ServerSocket>();
 
   return socket.Pass();
 }