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

content/browser/mojo/mojo_application_host.cc

 // Copyright 2014 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 "content/browser/mojo/mojo_application_host.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "build/build_config.h"
@@ skipping 20 matching lines @@
     service_registry_->Bind(std::move(services));
     service_registry_->BindRemoteServiceProvider(std::move(exposed_services));
   }
 
   mojo::Binding<mojom::ApplicationSetup> binding_;
   ServiceRegistryImpl* service_registry_;
 };
 
 }  // namespace
 
-MojoApplicationHost::MojoApplicationHost()
+MojoApplicationHost::MojoApplicationHost(const std::string& child_token)
     : token_(mojo::edk::GenerateRandomToken()) {
 #if defined(OS_ANDROID)
   service_registry_android_ =
       ServiceRegistryAndroid::Create(&service_registry_);
 #endif
 
   mojo::ScopedMessagePipeHandle pipe =
-      mojo::edk::CreateParentMessagePipe(token_);
+      mojo::edk::CreateParentMessagePipe(token_, child_token);
   DCHECK(pipe.is_valid());
   application_setup_.reset(new ApplicationSetupImpl(
       &service_registry_,
       mojo::MakeRequest<mojom::ApplicationSetup>(std::move(pipe))));
 }
 
 MojoApplicationHost::~MojoApplicationHost() {
 }
 
 }  // namespace content