Fix minor issues about DBusThreadManager.

chromeos/dbus/bluetooth_device_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/bluetooth_device_client.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "dbus/bus.h"
@@ skipping 38 matching lines @@
 
 BluetoothDeviceClient::Properties::~Properties() {
 }
 
 
 // The BluetoothDeviceClient implementation used in production.
 class BluetoothDeviceClientImpl
     : public BluetoothDeviceClient,
       public dbus::ObjectManager::Interface {
  public:
-  BluetoothDeviceClientImpl() : weak_ptr_factory_(this) {}
+  BluetoothDeviceClientImpl()
+      : object_manager_(NULL), weak_ptr_factory_(this) {}
 
   virtual ~BluetoothDeviceClientImpl() {
     object_manager_->UnregisterInterface(
         bluetooth_device::kBluetoothDeviceInterface);
   }
 
   // BluetoothDeviceClient override.
   virtual void AddObserver(BluetoothDeviceClient::Observer* observer)
       OVERRIDE {
     DCHECK(observer);
@@ skipping 329 matching lines @@
 }
 
 BluetoothDeviceClient::~BluetoothDeviceClient() {
 }
 
 BluetoothDeviceClient* BluetoothDeviceClient::Create() {
   return new BluetoothDeviceClientImpl();
 }
 
 }  // namespace chromeos