Changing the order of initialization WeakPtrFactory

chromeos/audio/cras_audio_handler.cc

 // Copyright (c) 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/audio/cras_audio_handler.h"
 
 #include <algorithm>
 #include <cmath>
 
 #include "base/bind.h"
@@ skipping 309 matching lines @@
     audio_pref_handler_->SetMuteValue(*device, mute_on);
 }
 
 void CrasAudioHandler::LogErrors() {
   log_errors_ = true;
 }
 
 CrasAudioHandler::CrasAudioHandler(
     scoped_refptr<AudioDevicesPrefHandler> audio_pref_handler)
     : audio_pref_handler_(audio_pref_handler),
-      weak_ptr_factory_(this),
       output_mute_on_(false),
       input_mute_on_(false),
       output_volume_(0),
       input_gain_(0),
       active_output_node_id_(0),
       active_input_node_id_(0),
       has_alternative_input_(false),
       has_alternative_output_(false),
       output_mute_locked_(false),
       input_mute_locked_(false),
-      log_errors_(false) {
+      log_errors_(false),
+      weak_ptr_factory_(this) {
   if (!audio_pref_handler.get())
     return;
   // If the DBusThreadManager or the CrasAudioClient aren't available, there
   // isn't much we can do. This should only happen when running tests.
   if (!chromeos::DBusThreadManager::IsInitialized() ||
       !chromeos::DBusThreadManager::Get() ||
       !chromeos::DBusThreadManager::Get()->GetCrasAudioClient())
     return;
   chromeos::DBusThreadManager::Get()->GetCrasAudioClient()->AddObserver(this);
   audio_pref_handler_->AddAudioPrefObserver(this);
@@ skipping 379 matching lines @@
   UpdateDevicesAndSwitchActive(node_list);
   FOR_EACH_OBSERVER(AudioObserver, observers_, OnAudioNodesChanged());
 }
 
 void CrasAudioHandler::HandleGetNodesError(const std::string& error_name,
                                            const std::string& error_msg) {
   LOG_IF(ERROR, log_errors_) << "Failed to call GetNodes: "
       << error_name  << ": " << error_msg;
 }
 }  // namespace chromeos