Add module suffix in .mojom files for components/arc

components/arc/test/fake_arc_bridge_instance.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/test/fake_arc_bridge_instance.h"
 
 #include <utility>
 
 namespace arc {
 
 FakeArcBridgeInstance::FakeArcBridgeInstance() : binding_(this) {}
 FakeArcBridgeInstance::~FakeArcBridgeInstance() {}
 
-void FakeArcBridgeInstance::Init(ArcBridgeHostPtr host) {
+void FakeArcBridgeInstance::Init(mojom::ArcBridgeHostPtr host) {
   host_ptr_ = std::move(host);
   init_calls_++;
 }
 
 void FakeArcBridgeInstance::Unbind() {
   host_ptr_.reset();
   if (binding_.is_bound())
     binding_.Close();
 }
 
 void FakeArcBridgeInstance::Bind(
-    mojo::InterfaceRequest<ArcBridgeInstance> interface_request) {
+    mojo::InterfaceRequest<mojom::ArcBridgeInstance> interface_request) {
   binding_.Bind(std::move(interface_request));
 }
 
 void FakeArcBridgeInstance::WaitForInitCall() {
   binding_.WaitForIncomingMethodCall();
 }
 
 }  // namespace arc