Fix minor issues about DBusThreadManager.

chromeos/dbus/bluetooth_adapter_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_adapter_client.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
@@ skipping 32 matching lines @@
 
 BluetoothAdapterClient::Properties::~Properties() {
 }
 
 
 // The BluetoothAdapterClient implementation used in production.
 class BluetoothAdapterClientImpl
     : public BluetoothAdapterClient,
       public dbus::ObjectManager::Interface {
  public:
-  BluetoothAdapterClientImpl() : weak_ptr_factory_(this) {}
+  BluetoothAdapterClientImpl()
+      : object_manager_(NULL), weak_ptr_factory_(this) {}
 
   virtual ~BluetoothAdapterClientImpl() {
     object_manager_->UnregisterInterface(
         bluetooth_adapter::kBluetoothAdapterInterface);
   }
 
   // BluetoothAdapterClient override.
   virtual void AddObserver(BluetoothAdapterClient::Observer* observer)
       OVERRIDE {
     DCHECK(observer);
@@ skipping 191 matching lines @@
 }
 
 BluetoothAdapterClient::~BluetoothAdapterClient() {
 }
 
 BluetoothAdapterClient* BluetoothAdapterClient::Create() {
   return new BluetoothAdapterClientImpl;
 }
 
 }  // namespace chromeos