Use uint16 for port numbers more pervasively.

extensions/browser/api/cast_channel/cast_channel_api.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/cast_channel/cast_channel_api.h"
 
 #include <limits>
 #include <string>
 
 #include "base/json/json_writer.h"
@@ skipping 263 matching lines @@
   connect_info->auth = auth_required ?
     cast_channel::CHANNEL_AUTH_TYPE_SSL_VERIFIED :
     cast_channel::CHANNEL_AUTH_TYPE_SSL;
   return true;
 }
 
 net::IPEndPoint* CastChannelOpenFunction::ParseConnectInfo(
     const ConnectInfo& connect_info) {
   net::IPAddressNumber ip_address;
   CHECK(net::ParseIPLiteralToNumber(connect_info.ip_address, &ip_address));
-  return new net::IPEndPoint(ip_address, connect_info.port);
+  return new net::IPEndPoint(ip_address,
+                             static_cast<uint16>(connect_info.port));
 }
 
 bool CastChannelOpenFunction::PrePrepare() {
   api_ = CastChannelAPI::Get(browser_context());
   return CastChannelAsyncApiFunction::PrePrepare();
 }
 
 bool CastChannelOpenFunction::Prepare() {
   params_ = Open::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params_.get());
@@ skipping 266 matching lines @@
   std::string& signature = params_->signature;
   if (signature.empty() || keys.empty() ||
       !cast_channel::SetTrustedCertificateAuthorities(keys, signature)) {
     SetError("Unable to set authority keys.");
   }
 
   AsyncWorkCompleted();
 }
 
 }  // namespace extensions