Move socket API restriction check to browser process

ppapi/proxy/ppb_tcp_socket_private_proxy.cc

 // Copyright (c) 2011 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 "ppapi/proxy/ppb_tcp_socket_private_proxy.h"
 
 #include <map>
 
 #include "base/logging.h"
 #include "ppapi/proxy/plugin_dispatcher.h"
@@ skipping 39 matching lines @@
     g_id_to_socket = new IDToSocketMap();
   DCHECK(g_id_to_socket->find(socket_id) == g_id_to_socket->end());
   (*g_id_to_socket)[socket_id] = this;
 }
 
 TCPSocket::~TCPSocket() {
   Disconnect();
 }
 
 void TCPSocket::SendConnect(const std::string& host, uint16_t port) {
-  SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Connect(socket_id_, host, port));
+  SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Connect(
+      API_ID_PPB_TCPSOCKET_PRIVATE, socket_id_, host, port));
 }
 
 void TCPSocket::SendConnectWithNetAddress(const PP_NetAddress_Private& addr) {
-  SendToBrowser(
-      new PpapiHostMsg_PPBTCPSocket_ConnectWithNetAddress(socket_id_, addr));
+  SendToBrowser(new PpapiHostMsg_PPBTCPSocket_ConnectWithNetAddress(
+      API_ID_PPB_TCPSOCKET_PRIVATE, socket_id_, addr));
 }
 
 void TCPSocket::SendSSLHandshake(const std::string& server_name,
                                  uint16_t server_port) {
   SendToBrowser(new PpapiHostMsg_PPBTCPSocket_SSLHandshake(
       socket_id_, server_name, server_port));
 }
 
 void TCPSocket::SendRead(int32_t bytes_to_read) {
   SendToBrowser(new PpapiHostMsg_PPBTCPSocket_Read(socket_id_, bytes_to_read));
@@ skipping 113 matching lines @@
     return;
   }
   IDToSocketMap::iterator iter = g_id_to_socket->find(socket_id);
   if (iter == g_id_to_socket->end())
     return;
   iter->second->OnWriteCompleted(succeeded, bytes_written);
 }
 
 }  // namespace proxy
 }  // namespace ppapi