Move DBusClient stub implementations into separate files.

chromeos/dbus/fake_permission_broker_client.cc

 // Copyright 2013 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 "chromeos/dbus/dbus_method_call_status.h"
+#include "chromeos/dbus/fake_permission_broker_client.h"
 
-#include "base/bind.h"
+#include "base/callback.h"
 
 namespace chromeos {
-namespace {
 
-void EmptyVoidDBusMethodCallbackBody(DBusMethodCallStatus result) {
+FakePermissionBrokerClient::FakePermissionBrokerClient() {}
+
+FakePermissionBrokerClient::~FakePermissionBrokerClient() {}
+
+void FakePermissionBrokerClient::Init(dbus::Bus* bus) {}
+
+void FakePermissionBrokerClient::RequestPathAccess(
+    const std::string& path,
+    int interface_id,
+    const ResultCallback& callback) {
+  callback.Run(false);
 }
 
-}  // namespace
-
-
-VoidDBusMethodCallback EmptyVoidDBusMethodCallback() {
-  return base::Bind(&EmptyVoidDBusMethodCallbackBody);
+void FakePermissionBrokerClient::RequestUsbAccess(
+    const uint16_t vendor_id,
+    const uint16_t product_id,
+    int interface_id,
+    const ResultCallback& callback) {
+  callback.Run(false);
 }
 
 }  // namespace chromeos