Add mash shelf application id support.

services/shell/public/cpp/lib/shell_connection.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 "services/shell/public/cpp/shell_connection.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "mojo/public/cpp/bindings/interface_ptr.h"
@@ skipping 31 matching lines @@
   pending_connector_request_ = nullptr;
   connector_.reset(new ConnectorImpl(std::move(connector)));
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ShellConnection, mojom::ShellClient implementation:
 
 void ShellConnection::Initialize(mojom::IdentityPtr identity,
                                  uint32_t id,
                                  const InitializeCallback& callback) {
+  identity_ = identity.To<Identity>();
   if (!initialize_handler_.is_null())
     initialize_handler_.Run();
 
   callback.Run(std::move(pending_connector_request_));
 
   DCHECK(binding_.is_bound());
   binding_.set_connection_error_handler([this] { OnConnectionError(); });
 
-  client_->Initialize(connector_.get(), identity.To<Identity>(), id);
+  client_->Initialize(connector_.get(), identity_, id);
 }
 
 void ShellConnection::AcceptConnection(
     mojom::IdentityPtr source,
     uint32_t source_id,
     mojom::InterfaceProviderRequest local_interfaces,
     mojom::InterfaceProviderPtr remote_interfaces,
     mojom::CapabilityRequestPtr allowed_capabilities,
     const mojo::String& name) {
   std::unique_ptr<Connection> registry(new internal::ConnectionImpl(
@@ skipping 15 matching lines @@
   // Note that the ShellClient doesn't technically have to quit now, it may live
   // on to service existing connections. All existing Connectors however are
   // invalid.
   if (client_->ShellConnectionLost() && !connection_lost_closure_.is_null())
     connection_lost_closure_.Run();
   // We don't reset the connector as clients may have taken a raw pointer to it.
   // Connect() will return nullptr if they try to connect to anything.
 }
 
 }  // namespace shell