Make HttpNetworkLayer subscribe to power events on Windows.

net/http/http_network_layer.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 "net/http/http_network_layer.h"
 
 #include "base/logging.h"
 #include "base/string_number_conversions.h"
 #include "base/string_split.h"
 #include "base/string_util.h"
 #include "net/http/http_network_session.h"
 #include "net/http/http_network_transaction.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/http/http_stream_factory_impl_job.h"
 #include "net/spdy/spdy_framer.h"
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_session_pool.h"
 
 namespace net {
 
 //-----------------------------------------------------------------------------
 HttpNetworkLayer::HttpNetworkLayer(HttpNetworkSession* session)
     : session_(session),
       suspended_(false) {
   DCHECK(session_.get());
+#if defined(OS_WIN)
+  base::SystemMonitor* system_monitor = base::SystemMonitor::Get();
+  if (system_monitor)
+    system_monitor->AddPowerObserver(this);
+#endif
 }
 
 HttpNetworkLayer::~HttpNetworkLayer() {
+#if defined(OS_WIN)
+  base::SystemMonitor* system_monitor = base::SystemMonitor::Get();
+  if (system_monitor)
+    system_monitor->RemovePowerObserver(this);
+#endif
 }
 
 //-----------------------------------------------------------------------------
 
 // static
 HttpTransactionFactory* HttpNetworkLayer::CreateFactory(
     HttpNetworkSession* session) {
   DCHECK(session);
 
   return new HttpNetworkLayer(session);
@@ skipping 31 matching lines @@
 
   if (session_)
     session_->CloseIdleConnections();
 }
 
 void HttpNetworkLayer::OnResume() {
   suspended_ = false;
 }
 
 }  // namespace net