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

components/arc/crash_collector/arc_crash_collector_bridge.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 "components/arc/crash_collector/arc_crash_collector_bridge.h"
 
 #include <sysexits.h>
 #include <unistd.h>
 
 #include <utility>
@@ skipping 13 matching lines @@
   arc_bridge_service()->crash_collector()->AddObserver(this);
 }
 
 ArcCrashCollectorBridge::~ArcCrashCollectorBridge() {
   arc_bridge_service()->crash_collector()->RemoveObserver(this);
 }
 
 void ArcCrashCollectorBridge::OnInstanceReady() {
   mojom::CrashCollectorHostPtr host_ptr;
   binding_.Bind(mojo::GetProxy(&host_ptr));
-  arc_bridge_service()->crash_collector()->instance()->Init(
-      std::move(host_ptr));
+  auto* instance =
+      arc_bridge_service()->crash_collector()->GetInstanceForMethod("Init");
+  CHECK(instance);
+  instance->Init(std::move(host_ptr));
 }
 
 void ArcCrashCollectorBridge::DumpCrash(const mojo::String& type,
                                         mojo::ScopedHandle pipe) {
   mojo::edk::ScopedPlatformHandle handle;
   mojo::edk::PassWrappedPlatformHandle(pipe.get().value(), &handle);
 
   base::FileHandleMappingVector fd_map = {
       std::make_pair(handle.get().handle, STDIN_FILENO)};
 
@@ skipping 16 matching lines @@
 
 void ArcCrashCollectorBridge::SetBuildProperties(const mojo::String& device,
                                                  const mojo::String& board,
                                                  const mojo::String& cpu_abi) {
   device_ = device.get();
   board_ = board.get();
   cpu_abi_ = cpu_abi.get();
 }
 
 }  // namespace arc