Leverage profile's http network session's HttpAuthCache to support proxy auth.

components/gcm_driver/gcm_client_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 "components/gcm_driver/gcm_client_impl.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/metrics/histogram.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/time/default_clock.h"
 #include "google_apis/gcm/base/encryptor.h"
 #include "google_apis/gcm/base/mcs_message.h"
 #include "google_apis/gcm/base/mcs_util.h"
 #include "google_apis/gcm/engine/checkin_request.h"
 #include "google_apis/gcm/engine/connection_factory_impl.h"
 #include "google_apis/gcm/engine/gcm_store_impl.h"
 #include "google_apis/gcm/monitoring/gcm_stats_recorder.h"
 #include "google_apis/gcm/protocol/checkin.pb.h"
 #include "google_apis/gcm/protocol/mcs.pb.h"
 #include "net/http/http_network_session.h"
+#include "net/http/http_transaction_factory.h"
 #include "net/url_request/url_request_context.h"
 #include "url/gurl.h"
 
 namespace gcm {
 
 namespace {
 
 // Backoff policy. Shared across reconnection logic and checkin/(un)registration
 // retries.
 // Note: In order to ensure a minimum of 20 seconds between server errors (for
@@ skipping 232 matching lines @@
     const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner,
     const scoped_refptr<net::URLRequestContextGetter>&
         url_request_context_getter,
     scoped_ptr<Encryptor> encryptor,
     GCMClient::Delegate* delegate) {
   DCHECK_EQ(UNINITIALIZED, state_);
   DCHECK(url_request_context_getter);
   DCHECK(delegate);
 
   url_request_context_getter_ = url_request_context_getter;
-  const net::HttpNetworkSession::Params* network_session_params =
-      url_request_context_getter_->GetURLRequestContext()->
-          GetNetworkSessionParams();
-  DCHECK(network_session_params);
-  network_session_ = new net::HttpNetworkSession(*network_session_params);
+  network_session_ = url_request_context_getter_->GetURLRequestContext()
+                         ->http_transaction_factory()

[fgorski, 2014/07/08 16:51:33]

nit: you are moving the arrows from end of line to the next. If git cl format
does not complain I am ok with that, but please check.

+                         ->GetSession();
 
   chrome_build_info_ = chrome_build_info;
 
   gcm_store_.reset(
       new GCMStoreImpl(path, blocking_task_runner, encryptor.Pass()));
 
   delegate_ = delegate;
 
   recorder_.SetDelegate(this);
 
@@ skipping 588 matching lines @@
 
   recorder_.RecordIncomingSendError(
       data_message_stanza.category(),
       data_message_stanza.to(),
       data_message_stanza.id());
   delegate_->OnMessageSendError(data_message_stanza.category(),
                                 send_error_details);
 }
 
 }  // namespace gcm