Stub for ARC print Bridge

components/arc/arc_bridge_service.h

Index: components/arc/arc_bridge_service.h
diff --git a/components/arc/arc_bridge_service.h b/components/arc/arc_bridge_service.h
index cef59e72a18888659d727604910e47cede0b3d2f..df3815595600f5b1da303c37b5de10db61050754 100644
--- a/components/arc/arc_bridge_service.h
+++ b/components/arc/arc_bridge_service.h
@@ -110,6 +110,7 @@ class ArcBridgeService {
   }
   InstanceHolder<mojom::PolicyInstance>* policy() { return &policy_; }
   InstanceHolder<mojom::PowerInstance>* power() { return &power_; }
+  InstanceHolder<mojom::PrintInstance>* print() { return &print_; }
   InstanceHolder<mojom::ProcessInstance>* process() { return &process_; }
   InstanceHolder<mojom::StorageManagerInstance>* storage_manager() {
     return &storage_manager_;
@@ -178,6 +179,7 @@ class ArcBridgeService {
   InstanceHolder<mojom::ObbMounterInstance> obb_mounter_;
   InstanceHolder<mojom::PolicyInstance> policy_;
   InstanceHolder<mojom::PowerInstance> power_;
+  InstanceHolder<mojom::PrintInstance> print_;
   InstanceHolder<mojom::ProcessInstance> process_;
   InstanceHolder<mojom::StorageManagerInstance> storage_manager_;
   InstanceHolder<mojom::VideoInstance> video_;