Always use arc::InstanceHolder<T>::GetInstanceForMethod

components/arc/net/arc_net_host_impl.cc

 // Copyright 2015 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 "components/arc/net/arc_net_host_impl.h"
 
 #include <string>
 #include <utility>
 #include <vector>
 
@@ skipping 291 matching lines @@
   if (chromeos::NetworkHandler::IsInitialized()) {
     GetStateHandler()->RemoveObserver(this, FROM_HERE);
   }
 }
 
 void ArcNetHostImpl::OnInstanceReady() {
   DCHECK(thread_checker_.CalledOnValidThread());
 
   mojom::NetHostPtr host;
   binding_.Bind(GetProxy(&host));
-  arc_bridge_service()->net()->instance()->Init(std::move(host));
+  auto* instance = arc_bridge_service()->net()->GetInstanceForMethod("Init");
+  DCHECK(instance);
+  instance->Init(std::move(host));
 }
 
 void ArcNetHostImpl::GetNetworksDeprecated(
     bool configured_only,
     bool visible_only,
     const GetNetworksDeprecatedCallback& callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   if (configured_only && visible_only) {
     VLOG(1) << "Illegal arguments - both configured and visible networks "
                "requested.";
@@ skipping 319 matching lines @@
   bool is_enabled = GetStateHandler()->IsTechnologyEnabled(
       chromeos::NetworkTypePattern::WiFi());
   net_instance->WifiEnabledStateChanged(is_enabled);
 }
 
 void ArcNetHostImpl::OnShuttingDown() {
   GetStateHandler()->RemoveObserver(this, FROM_HERE);
 }
 
 }  // namespace arc