Added out-of-process support for server sockets.

ppapi/proxy/ppb_tcp_socket_private_proxy.cc

Index: ppapi/proxy/ppb_tcp_socket_private_proxy.cc
diff --git a/ppapi/proxy/ppb_tcp_socket_private_proxy.cc b/ppapi/proxy/ppb_tcp_socket_private_proxy.cc
index 7e926647e89917a598f101b35de3d7590ff0f6f7..26cdfcf5495e0ac7d17979b4aba27ec117f05da7 100644
--- a/ppapi/proxy/ppb_tcp_socket_private_proxy.cc
+++ b/ppapi/proxy/ppb_tcp_socket_private_proxy.cc
@@ -26,7 +26,13 @@ IDToSocketMap* g_id_to_socket = NULL;
 
 class TCPSocket : public TCPSocketPrivateImpl {
  public:
+  // C-tor for new sockets.
   TCPSocket(const HostResource& resource, uint32 socket_id);
+  // C-tor for already connected sockets.
+  TCPSocket(const HostResource& resource,
+            uint32 socket_id,
+            const PP_NetAddress_Private& local_addr,
+            const PP_NetAddress_Private& remote_addr);
   virtual ~TCPSocket();
 
   virtual void SendConnect(const std::string& host, uint16_t port) OVERRIDE;
@@ -52,6 +58,22 @@ TCPSocket::TCPSocket(const HostResource& resource, uint32 socket_id)
   (*g_id_to_socket)[socket_id] = this;
 }
 
+TCPSocket::TCPSocket(const HostResource& resource,
+                     uint32 socket_id,
+                     const PP_NetAddress_Private& local_addr,
+                     const PP_NetAddress_Private& remote_addr)
+    : TCPSocketPrivateImpl(resource, socket_id) {
+  if (!g_id_to_socket)
+    g_id_to_socket = new IDToSocketMap();
+  DCHECK(g_id_to_socket->find(socket_id) == g_id_to_socket->end());
+
+  connection_state_ = CONNECTED;
+  local_addr_ = local_addr;
+  remote_addr_ = remote_addr;
+
+  (*g_id_to_socket)[socket_id] = this;
+}
+
 TCPSocket::~TCPSocket() {
   Disconnect();
 }
@@ -121,6 +143,18 @@ PP_Resource PPB_TCPSocket_Private_Proxy::CreateProxyResource(
                         socket_id))->GetReference();
 }
 
+// static
+PP_Resource PPB_TCPSocket_Private_Proxy::CreateProxyResourceForConnectedSocket(
+    PP_Instance instance,
+    uint32 socket_id,
+    const PP_NetAddress_Private& local_addr,
+    const PP_NetAddress_Private& remote_addr) {
+  return (new TCPSocket(HostResource::MakeInstanceOnly(instance),
+                        socket_id,
+                        local_addr,
+                        remote_addr))->GetReference();
+}
+
 bool PPB_TCPSocket_Private_Proxy::OnMessageReceived(const IPC::Message& msg) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PPB_TCPSocket_Private_Proxy, msg)