[mojo-edk] Bind a child token to child launches and port reservations.

content/browser/mojo/mojo_child_connection.cc

 // Copyright 2015 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 "content/browser/mojo/mojo_child_connection.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "content/public/common/mojo_shell_connection.h"
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "services/shell/public/cpp/connector.h"
 #include "services/shell/public/cpp/identity.h"
 #include "services/shell/public/interfaces/shell_client.mojom.h"
 
 namespace content {
 
 MojoChildConnection::MojoChildConnection(const std::string& application_name,
-                                         const std::string& instance_id)
+                                         const std::string& instance_id,
+                                         const std::string& child_token)
     : shell_client_token_(mojo::edk::GenerateRandomToken()) {
   mojo::ScopedMessagePipeHandle shell_client_pipe =
-      mojo::edk::CreateParentMessagePipe(shell_client_token_);
+      mojo::edk::CreateParentMessagePipe(shell_client_token_, child_token);
 
   // Some process types get created before the main message loop. In this case
   // the shell request pipe will simply be closed, and the child can detect
   // this.
   if (!MojoShellConnection::Get())
     return;
 
   shell::mojom::ShellClientPtr client;
   client.Bind(mojo::InterfacePtrInfo<shell::mojom::ShellClient>(
       std::move(shell_client_pipe), 0u));
@@ skipping 10 matching lines @@
 
 MojoChildConnection::~MojoChildConnection() {}
 
 void MojoChildConnection::SetProcessHandle(base::ProcessHandle handle) {
   DCHECK(pid_receiver_.is_bound());
   pid_receiver_->SetPID(base::GetProcId(handle));
   pid_receiver_.reset();
 }
 
 }  // namespace content