Fix WeakPtrFactory member ordering in chrome/browser

chrome/browser/history/expire_history_backend.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/history/expire_history_backend.h"
 
 #include <algorithm>
 #include <functional>
 #include <limits>
 
@@ skipping 114 matching lines @@
 
 
 // ExpireHistoryBackend -------------------------------------------------------
 
 ExpireHistoryBackend::ExpireHistoryBackend(
     BroadcastNotificationDelegate* delegate,
     HistoryClient* history_client)
     : delegate_(delegate),
       main_db_(NULL),
       thumb_db_(NULL),
-      weak_factory_(this),
-      history_client_(history_client) {
+      history_client_(history_client),
+      weak_factory_(this) {
 }
 
 ExpireHistoryBackend::~ExpireHistoryBackend() {
 }
 
 void ExpireHistoryBackend::SetDatabases(HistoryDatabase* main_db,
                                         ThumbnailDatabase* thumb_db) {
   main_db_ = main_db;
   thumb_db_ = thumb_db;
 }
@@ skipping 369 matching lines @@
 HistoryClient* ExpireHistoryBackend::GetHistoryClient() {
   // We use the history client to determine if a URL is bookmarked. The data is
   // loaded on a separate thread and may not be done by the time we get here.
   // We therefore block until the bookmarks have finished loading.
   if (history_client_)
     history_client_->BlockUntilBookmarksLoaded();
   return history_client_;
 }
 
 }  // namespace history