Mojo EDK: Add safe process connection API

content/browser/browser_child_process_host_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 #define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
 
 #include <stdint.h>
 
 #include <list>
 #include <memory>
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/shared_memory.h"
 #include "base/memory/weak_ptr.h"
 #include "base/process/process.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "build/build_config.h"
 #include "content/browser/child_process_launcher.h"
 #include "content/public/browser/browser_child_process_host.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/common/child_process_host_delegate.h"
+#include "mojo/edk/embedder/pending_process_connection.h"
 
 #if defined(OS_WIN)
 #include "base/win/object_watcher.h"
 #endif
 
 namespace base {
 class CommandLine;
 }
 
 namespace service_manager {
@@ skipping 114 matching lines @@
 
 #if defined(OS_WIN)
   // ObjectWatcher::Delegate implementation.
   void OnObjectSignaled(HANDLE object) override;
 #endif
 
   ChildProcessData data_;
   BrowserChildProcessHostDelegate* delegate_;
   std::unique_ptr<ChildProcessHost> child_process_host_;
 
-  const std::string child_token_;
+  std::unique_ptr<mojo::edk::PendingProcessConnection> pending_connection_;
   std::unique_ptr<ChildConnection> child_connection_;
 
   std::unique_ptr<ChildProcessLauncher> child_process_;
 
 #if defined(OS_WIN)
   // Watches to see if the child process exits before the IPC channel has
   // been connected. Thereafter, its exit is determined by an error on the
   // IPC channel.
   base::win::ObjectWatcher early_exit_watcher_;
 #endif
 
   // The memory allocator, if any, in which the process will write its metrics.
   std::unique_ptr<base::SharedPersistentMemoryAllocator> metrics_allocator_;
 
   IPC::Channel* channel_ = nullptr;
   bool is_channel_connected_;
   bool notify_child_disconnected_;
 
   base::WeakPtrFactory<BrowserChildProcessHostImpl> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_