Mojo EDK: Add safe process connection API

services/service_manager/runner/host/service_process_launcher.h

 // 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.
 
 #ifndef SERVICES_SERVICE_MANAGER_RUNNER_HOST_SERVICE_PROCESS_LAUNCHER_H_
 #define SERVICES_SERVICE_MANAGER_RUNNER_HOST_SERVICE_PROCESS_LAUNCHER_H_
 
 #include <memory>
 #include <string>
 
 #include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "base/synchronization/waitable_event.h"
+#include "mojo/edk/embedder/pending_process_connection.h"
 #include "mojo/edk/embedder/platform_channel_pair.h"
 #include "services/service_manager/public/interfaces/service_factory.mojom.h"
 
 namespace base {
 class CommandLine;
 class TaskRunner;
 }
 
 namespace service_manager {
 
@@ skipping 48 matching lines @@
   scoped_refptr<base::TaskRunner> launch_process_runner_;
   Delegate* delegate_ = nullptr;
   bool start_sandboxed_ = false;
   Identity target_;
   base::FilePath service_path_;
   base::Process child_process_;
 
   // Used to initialize the Mojo IPC channel between parent and child.
   std::unique_ptr<mojo::edk::PlatformChannelPair> mojo_ipc_channel_;
   mojo::edk::HandlePassingInformation handle_passing_info_;
-  const std::string child_token_;
+  mojo::edk::PendingProcessConnection process_connection_;
 
   // Since Start() calls a method on another thread, we use an event to block
   // the main thread if it tries to destruct |this| while launching the process.
   base::WaitableEvent start_child_process_event_;
 
   base::WeakPtrFactory<ServiceProcessLauncher> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceProcessLauncher);
 };
 
 class ServiceProcessLauncherFactory {
  public:
   virtual ~ServiceProcessLauncherFactory() {}
   virtual std::unique_ptr<ServiceProcessLauncher> Create(
       const base::FilePath& service_path) = 0;
 };
 
 }  // namespace service_manager
 
 #endif  // SERVICES_SERVICE_MANAGER_RUNNER_HOST_SERVICE_PROCESS_LAUNCHER_H_