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

content/public/browser/browser_child_process_host.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_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_
 
 #include "base/environment.h"
 #include "base/process/kill.h"
 #include "base/process/process_handle.h"
@@ skipping 24 matching lines @@
 // will get terminated at browser shutdown.
 class CONTENT_EXPORT BrowserChildProcessHost : public IPC::Sender {
  public:
   // Used to create a child process host. The delegate must outlive this object.
   // |process_type| needs to be either an enum value from ProcessType or an
   // embedder-defined value.
   static BrowserChildProcessHost* Create(
       content::ProcessType process_type,
       BrowserChildProcessHostDelegate* delegate);
 
+  // Used to create a child process host, with a unique token to identify the
+  // child process to Mojo. |mojo_child_token| should be a unique string
+  // generated using mojo::edk::GenerateRandomToken().
+  static BrowserChildProcessHost* Create(
+      content::ProcessType process_type,
+      BrowserChildProcessHostDelegate* delegate,
+      const std::string& mojo_child_token);
+
   // Returns the child process host with unique id |child_process_id|, or
   // nullptr if it doesn't exist. |child_process_id| is NOT the process ID, but
   // is the same unique ID as |ChildProcessData::id|.
   static BrowserChildProcessHost* FromID(int child_process_id);
 
   ~BrowserChildProcessHost() override {}
 
   // Derived classes call this to launch the child process asynchronously.
   // Takes ownership of |cmd_line| and |delegate|.
   virtual void Launch(
@@ skipping 32 matching lines @@
 
 #if defined(OS_MACOSX)
   // Returns a PortProvider used to get the task port for child processes.
   static base::PortProvider* GetPortProvider();
 #endif
 };
 
 };  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CHILD_PROCESS_HOST_H_