Changing SpawnChild to return a struct.

mojo/edk/embedder/pending_process_connection.cc

 // Copyright 2017 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.
 
 #include "mojo/edk/embedder/pending_process_connection.h"
 
 #include "mojo/edk/embedder/embedder.h"
 #include "mojo/edk/embedder/embedder_internal.h"
 #include "mojo/edk/system/core.h"
 
@@ skipping 15 matching lines @@
 ScopedMessagePipeHandle PendingProcessConnection::CreateMessagePipe(
     std::string* token) {
   has_message_pipes_ = true;
   DCHECK(internal::g_core);
   *token = GenerateRandomToken();
   return internal::g_core->CreateParentMessagePipe(*token, process_token_);
 }
 
 void PendingProcessConnection::Connect(
     base::ProcessHandle process,
-    ScopedPlatformHandle channel,
+    ConnectionParam connection_param,
     const ProcessErrorCallback& error_callback) {
   // It's now safe to avoid cleanup in the destructor, as the lifetime of any
   // associated resources is effectively bound to the |channel| passed to
   // AddChild() below.
   DCHECK(!connected_);
   connected_ = true;
 
   DCHECK(internal::g_core);
-  internal::g_core->AddChild(process, std::move(channel), process_token_,
-                             error_callback);
+  internal::g_core->AddChild(process, std::move(connection_param),
+                             process_token_, error_callback);
 }
 
 }  // namespace edk
 }  // namespace mojo