Fix remaining WeakPtrFactory ordering problems

chrome/browser/local_discovery/service_discovery_client_mdns.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/local_discovery/service_discovery_client_mdns.h"
 
 #include "base/memory/scoped_vector.h"
 #include "base/metrics/histogram.h"
 #include "chrome/common/local_discovery/service_discovery_client_impl.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 74 matching lines @@
   template<class T>
   void DeleteOnMdnsThread(T* t) {
     if (!t)
       return;
     if (!client_->mdns_runner_->DeleteSoon(FROM_HERE, t))
       delete t;
   }
 
  private:
   scoped_refptr<ServiceDiscoveryClientMdns> client_;
-  base::WeakPtrFactory<Proxy> weak_ptr_factory_;
   // Delayed |mdns_runner_| tasks.
   std::vector<base::Closure> delayed_tasks_;
+  base::WeakPtrFactory<Proxy> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(Proxy);
 };
 
 namespace {
 
 const int kMaxRestartAttempts = 10;
 const int kRestartDelayOnNetworkChangeSeconds = 3;
 
 typedef base::Callback<void(bool)> MdnsInitCallback;
 
@@ skipping 324 matching lines @@
   OnBeforeMdnsDestroy();
   // After calling |Proxy::OnMdnsDestroy| all references to client_ and mdns_
   // should be destroyed.
   if (client_)
     mdns_runner_->DeleteSoon(FROM_HERE, client_.release());
   if (mdns_)
     mdns_runner_->DeleteSoon(FROM_HERE, mdns_.release());
 }
 
 }  // namespace local_discovery