Fix crash on second failed connect to a paired device

device/bluetooth/bluetooth_socket_chromeos_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/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/dbus/fake_bluetooth_adapter_client.h"
 #include "chromeos/dbus/fake_bluetooth_agent_manager_client.h"
@@ skipping 510 matching lines @@
   // Cleanup the socket.
   socket->Disconnect(
       base::Bind(&BluetoothSocketChromeOSTest::ImmediateSuccessCallback,
                  base::Unretained(this)));
 
   message_loop_.RunUntilIdle();
 
   EXPECT_EQ(1U, success_callback_count_);
 }
 
+TEST_F(BluetoothSocketChromeOSTest, PairedConnectFails) {
+  BluetoothDevice* device = adapter_->GetDevice(
+      FakeBluetoothDeviceClient::kPairedUnconnectableDeviceAddress);
+  ASSERT_TRUE(device != NULL);
+
+  device->ConnectToService(
+      BluetoothUUID(FakeBluetoothProfileManagerClient::kRfcommUuid),
+      base::Bind(&BluetoothSocketChromeOSTest::ConnectToServiceSuccessCallback,
+                 base::Unretained(this)),
+      base::Bind(&BluetoothSocketChromeOSTest::ErrorCallback,
+                 base::Unretained(this)));
+  message_loop_.Run();
+
+  EXPECT_EQ(0U, success_callback_count_);
+  EXPECT_EQ(1U, error_callback_count_);
+  EXPECT_TRUE(last_socket_.get() == NULL);
+
+  device->ConnectToService(
+      BluetoothUUID(FakeBluetoothProfileManagerClient::kRfcommUuid),
+      base::Bind(&BluetoothSocketChromeOSTest::ConnectToServiceSuccessCallback,
+                 base::Unretained(this)),
+      base::Bind(&BluetoothSocketChromeOSTest::ErrorCallback,
+                 base::Unretained(this)));
+  message_loop_.Run();
+
+  EXPECT_EQ(0U, success_callback_count_);
+  EXPECT_EQ(2U, error_callback_count_);
+  EXPECT_TRUE(last_socket_.get() == NULL);
+}
+
 }  // namespace chromeos