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

content/browser/child_process_launcher.h

Index: content/browser/child_process_launcher.h
diff --git a/content/browser/child_process_launcher.h b/content/browser/child_process_launcher.h
index 7d34ba925367105afb791b93d10bb863282386fe..22e6e011e36e7f1cfcf4f428d11e0913f8992d1c 100644
--- a/content/browser/child_process_launcher.h
+++ b/content/browser/child_process_launcher.h
@@ -74,6 +74,7 @@ class CONTENT_EXPORT ChildProcessLauncher : public base::NonThreadSafe {
       base::CommandLine* cmd_line,
       int child_process_id,
       Client* client,
+      const std::string& mojo_child_token,
       bool terminate_on_shutdown = true);
   ~ChildProcessLauncher();
 
@@ -157,6 +158,7 @@ class CONTENT_EXPORT ChildProcessLauncher : public base::NonThreadSafe {
 
   // Host side platform handle to establish Mojo IPC.
   mojo::edk::ScopedPlatformHandle mojo_host_platform_handle_;
+  const std::string mojo_child_token_;
 
   base::WeakPtrFactory<ChildProcessLauncher> weak_factory_;