Use uint16 for port numbers more pervasively.

components/nacl/browser/nacl_process_host.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 "components/nacl/browser/nacl_process_host.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 739 matching lines @@
   }
 }
 
 void NaClProcessHost::SetDebugStubPort(int port) {
   NaClBrowser* nacl_browser = NaClBrowser::GetInstance();
   nacl_browser->SetProcessGdbDebugStubPort(process_->GetData().id, port);
 }
 
 #if defined(OS_POSIX)
 // TCP port we chose for NaCl debug stub. It can be any other number.
-static const int kInitialDebugStubPort = 4014;
+static const uint16_t kInitialDebugStubPort = 4014;
 
 net::SocketDescriptor NaClProcessHost::GetDebugStubSocketHandle() {
   net::SocketDescriptor s = net::kInvalidSocket;
   // We always try to allocate the default port first. If this fails, we then
   // allocate any available port.
   // On success, if the test system has register a handler
   // (GdbDebugStubPortListener), we fire a notification.
-  int port = kInitialDebugStubPort;
+  uint16 port = kInitialDebugStubPort;
   s = net::TCPListenSocket::CreateAndBind("127.0.0.1", port);
   if (s == net::kInvalidSocket) {
     s = net::TCPListenSocket::CreateAndBindAnyPort("127.0.0.1", &port);
   }
   if (s != net::kInvalidSocket) {
     SetDebugStubPort(port);
   }
   if (s == net::kInvalidSocket) {
     LOG(ERROR) << "failed to open socket for debug stub";
     return net::kInvalidSocket;
@@ skipping 407 matching lines @@
         process_handle.Take(), info,
         base::MessageLoopProxy::current(),
         base::Bind(&NaClProcessHost::OnDebugExceptionHandlerLaunchedByBroker,
                    weak_factory_.GetWeakPtr()));
     return true;
   }
 }
 #endif
 
 }  // namespace nacl