mustash: Enable connections to mus from the Chrome renderer [take 2]

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index c1dffde8e379acdfdbd7d7ca21ac446018c28314..adaeeb07f9d494b5b9c6f2557ebe90d1d757738d 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -574,6 +574,10 @@ RenderProcessHostImpl::RenderProcessHostImpl(
   IPC::AttachmentBrokerPrivileged::CreateBrokerIfNeeded();
 #endif  // defined(OS_MACOSX) && !defined(OS_IOS)
 #endif  // USE_ATTACHMENT_BROKER
+
+#if defined(MOJO_SHELL_CLIENT)
+  RegisterChildWithExternalShell(id_, this);
+#endif
 }
 
 // static
@@ -2439,9 +2443,8 @@ void RenderProcessHostImpl::OnProcessLaunched() {
                                          NotificationService::NoDetails());
 
 #if defined(MOJO_SHELL_CLIENT)
-  // Send a handle that the external Mojo shell can use to pass an Application
-  // request to the child.
-  RegisterChildWithExternalShell(id_, GetHandle(), this);
+  // Send the mojo shell handle to the renderer.
+  SendExternalMojoShellHandleToChild(GetHandle(), this);
 #endif
 
   // Allow Mojo to be setup before the renderer sees any Chrome IPC messages.