arc: Use GET_INTERFACE_FOR_METHOD macro

components/arc/crash_collector/arc_crash_collector_bridge.cc

Index: components/arc/crash_collector/arc_crash_collector_bridge.cc
diff --git a/components/arc/crash_collector/arc_crash_collector_bridge.cc b/components/arc/crash_collector/arc_crash_collector_bridge.cc
index 9780b559a3a9d3609a2b4f6077598b82cfb2ab9a..2ca3da4f26a9df02e6dc0b9cb3ccddc300214536 100644
--- a/components/arc/crash_collector/arc_crash_collector_bridge.cc
+++ b/components/arc/crash_collector/arc_crash_collector_bridge.cc
@@ -64,8 +64,8 @@ ArcCrashCollectorBridge::~ArcCrashCollectorBridge() {
 void ArcCrashCollectorBridge::OnInstanceReady() {
   mojom::CrashCollectorHostPtr host_ptr;
   binding_.Bind(mojo::MakeRequest(&host_ptr));
-  auto* instance =
-      arc_bridge_service()->crash_collector()->GetInstanceForMethod("Init");
+  auto* instance = ARC_GET_INSTANCE_FOR_METHOD(
+      arc_bridge_service()->crash_collector(), Init);
   DCHECK(instance);
   instance->Init(std::move(host_ptr));
 }