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

chrome/browser/extensions/updater/extension_cache_impl.cc

 // Copyright 2014 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/updater/extension_cache_impl.h"
 
 #include "base/bind.h"
 #include "base/memory/singleton.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
@@ skipping 23 matching lines @@
 const int kMaxCacheAgeDays = 30;
 
 }  // namespace
 
 // static
 ExtensionCacheImpl* ExtensionCacheImpl::GetInstance() {
   return Singleton<ExtensionCacheImpl>::get();
 }
 
 ExtensionCacheImpl::ExtensionCacheImpl()
-  : weak_ptr_factory_(this),
-    cache_(new LocalExtensionCache(base::FilePath(kLocalCacheDir),
+  : cache_(new LocalExtensionCache(base::FilePath(kLocalCacheDir),
         kMaxCacheSize,
         base::TimeDelta::FromDays(kMaxCacheAgeDays),
         content::BrowserThread::GetBlockingPool()->
             GetSequencedTaskRunnerWithShutdownBehavior(
                 content::BrowserThread::GetBlockingPool()->GetSequenceToken(),
-                base::SequencedWorkerPool::SKIP_ON_SHUTDOWN))) {
+                base::SequencedWorkerPool::SKIP_ON_SHUTDOWN))),
+    weak_ptr_factory_(this) {
   notification_registrar_.Add(
       this,
       extensions::NOTIFICATION_EXTENSION_INSTALL_ERROR,
       content::NotificationService::AllBrowserContextsAndSources());
   cache_->Init(true, base::Bind(&ExtensionCacheImpl::OnCacheInitialized,
                                 weak_ptr_factory_.GetWeakPtr()));
 }
 
 ExtensionCacheImpl::~ExtensionCacheImpl() {
 }
@@ skipping 69 matching lines @@
       cache_->RemoveExtension(installer->expected_id());
       break;
     }
 
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace extensions