make ProxyService::CreateSystemProxyConfigService return scoped_ptrs NOT FOR REVIEW

components/cronet/android/url_request_context_adapter.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 "components/cronet/android/url_request_context_adapter.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 111 matching lines @@
 void URLRequestContextAdapter::Initialize(
     scoped_ptr<URLRequestContextConfig> config) {
   network_thread_ = new base::Thread("network");
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   network_thread_->StartWithOptions(options);
   config_ = config.Pass();
 }
 
 void URLRequestContextAdapter::InitRequestContextOnMainThread() {
-  proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
-      GetNetworkTaskRunner(), NULL));
+  proxy_config_service_ = net::ProxyService::CreateSystemProxyConfigService(
+      GetNetworkTaskRunner(), NULL);
   GetNetworkTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&URLRequestContextAdapter::InitRequestContextOnNetworkThread,
                  this));
 }
 
 void URLRequestContextAdapter::InitRequestContextOnNetworkThread() {
   DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
   DCHECK(config_);
   // TODO(mmenke):  Add method to have the builder enable SPDY.
@@ skipping 163 matching lines @@
     write_to_file_observer_.reset();
   }
 }
 
 void NetLogObserver::OnAddEntry(const net::NetLog::Entry& entry) {
   VLOG(2) << "Net log entry: type=" << entry.type()
           << ", source=" << entry.source().type << ", phase=" << entry.phase();
 }
 
 }  // namespace cronet