Use uint16 for port numbers more pervasively.

extensions/browser/api/sockets_udp/udp_socket_event_dispatcher.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 "extensions/browser/api/sockets_udp/udp_socket_event_dispatcher.h"
 
 #include "base/lazy_instance.h"
 #include "extensions/browser/api/socket/udp_socket.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extensions_browser_client.h"
@@ skipping 82 matching lines @@
       buffer_size,
       base::Bind(&UDPSocketEventDispatcher::ReceiveCallback, params));
 }
 
 /* static */
 void UDPSocketEventDispatcher::ReceiveCallback(
     const ReceiveParams& params,
     int bytes_read,
     scoped_refptr<net::IOBuffer> io_buffer,
     const std::string& address,
-    int port) {
+    uint16 port) {
   DCHECK_CURRENTLY_ON(params.thread_id);
 
   // If |bytes_read| == 0, the message contained no data.
   // If |bytes_read| < 0, there was a network error, and |bytes_read| is a value
   // from "net::ERR_".
 
   if (bytes_read >= 0) {
     // Dispatch "onReceive" event.
     sockets_udp::ReceiveInfo receive_info;
     receive_info.socket_id = params.socket_id;
@@ skipping 60 matching lines @@
       reinterpret_cast<content::BrowserContext*>(browser_context_id);
   if (!extensions::ExtensionsBrowserClient::Get()->IsValidContext(context))
     return;
   EventRouter* router = EventRouter::Get(context);
   if (router)
     router->DispatchEventToExtension(extension_id, event.Pass());
 }
 
 }  // namespace core_api
 }  // namespace extensions