Implement permission_broker for serial devices.

device/serial/serial_service_unittest.cc

 // Copyright 2014 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 "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
 #include "device/serial/serial.mojom.h"
 #include "device/serial/serial_service_impl.h"
 #include "device/serial/test_serial_io_handler.h"
@@ skipping 95 matching lines @@
   bool connected_;
   bool expecting_error_;
   serial::ConnectionInfoPtr info_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SerialServiceTest);
 };
 
 TEST_F(SerialServiceTest, GetDevices) {
   mojo::InterfacePtr<serial::SerialService> service;
-  SerialServiceImpl::Create(NULL, mojo::GetProxy(&service));
+  SerialServiceImpl::Create(NULL, NULL, mojo::GetProxy(&service));
   service.set_error_handler(this);
   mojo::Array<serial::DeviceInfoPtr> result;
   service->GetDevices(
       base::Bind(&SerialServiceTest::StoreDevices, base::Unretained(this)));
   RunMessageLoop();
 
   // Because we're running on unknown hardware, only check that we received a
   // non-null result.
   EXPECT_TRUE(devices_);
 }
 
 TEST_F(SerialServiceTest, Connect) {
   RunConnectTest("device", true);
 }
 
 TEST_F(SerialServiceTest, ConnectInvalidPath) {
   RunConnectTest("invalid_path", false);
 }
 
 TEST_F(SerialServiceTest, ConnectOpenFailed) {
   io_handler_ = new FailToOpenIoHandler;
   RunConnectTest("device", false);
 }
 
 }  // namespace device