Changing the Weakptr initialization order in chrome/browser/extension folder

chrome/browser/extensions/api/idle/idle_manager.cc

 // Copyright (c) 2012 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 "chrome/browser/extensions/api/idle/idle_manager.h"
 
 #include <utility>
 
 #include "base/stl_util.h"
 #include "chrome/browser/extensions/api/idle/idle_api_constants.h"
@@ skipping 103 matching lines @@
 
 IdleMonitor::IdleMonitor(IdleState initial_state)
     : last_state(initial_state),
       listeners(0),
       threshold(kDefaultIdleThreshold) {
 }
 
 IdleManager::IdleManager(Profile* profile)
     : profile_(profile),
       last_state_(IDLE_STATE_ACTIVE),
-      weak_factory_(this),
       idle_time_provider_(new DefaultIdleProvider()),
       event_delegate_(new DefaultEventDelegate(profile)),
-      extension_registry_observer_(this) {
+      extension_registry_observer_(this),
+      weak_factory_(this) {
 }
 
 IdleManager::~IdleManager() {
 }
 
 void IdleManager::Init() {
   extension_registry_observer_.Add(ExtensionRegistry::Get(profile_));
   event_delegate_->RegisterObserver(this);
 }
 
@@ skipping 123 matching lines @@
       event_delegate_->OnStateChanged(it->first, new_state);
     monitor.last_state = new_state;
     listener_count += monitor.listeners;
   }
 
   if (listener_count == 0)
     StopPolling();
 }
 
 }  // namespace extensions