Add a instance groups to Connect(), and introduce an Identity struct.

mojo/services/package_manager/package_manager.cc

 // Copyright 2016 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/services/package_manager/package_manager.h"
 
 #include "base/bind.h"
 #include "base/json/json_file_value_serializer.h"
 #include "base/strings/string_split.h"
 #include "base/task_runner_util.h"
@@ skipping 101 matching lines @@
   system_package_dir_ =
       mojo::util::AddTrailingSlashIfNeeded(system_package_dir_);
 
   DeserializeCatalog();
 }
 PackageManager::~PackageManager() {}
 
 bool PackageManager::AcceptConnection(mojo::Connection* connection) {
   connection->AddInterface<mojom::Catalog>(this);
   connection->AddInterface<mojom::Resolver>(this);
-  if (connection->GetRemoteApplicationName() == "mojo:shell")
+  if (connection->GetRemoteIdentity().name() == "mojo:shell")
     connection->AddInterface<mojom::ShellResolver>(this);
   return true;
 }
 
 void PackageManager::Create(mojo::Connection* connection,
                             mojom::ResolverRequest request) {
   resolver_bindings_.AddBinding(this, std::move(request));
 }
 
 void PackageManager::Create(mojo::Connection* connection,
@@ skipping 214 matching lines @@
   }
   SerializeCatalog();
 
   auto qualifier_iter = qualifiers_.find(name);
   DCHECK(qualifier_iter != qualifiers_.end());
   std::string qualifier = qualifier_iter->second;
   CompleteResolveMojoName(name, qualifier, callback);
 }
 
 }  // namespace package_manager