[Chromoting] Use device::PowerSaveBlocker to block screen saver

remoting/host/it2me/it2me_host.cc

Index: remoting/host/it2me/it2me_host.cc
diff --git a/remoting/host/it2me/it2me_host.cc b/remoting/host/it2me/it2me_host.cc
index 2b23c1bdd5609c7738390e2328681a68a80a5496..46d5758e20e73bd3a9118b9ccba3ee5c3fa5524f 100644
--- a/remoting/host/it2me/it2me_host.cc
+++ b/remoting/host/it2me/it2me_host.cc
@@ -29,6 +29,7 @@
 #include "remoting/host/it2me_desktop_environment.h"
 #include "remoting/host/policy_watcher.h"
 #include "remoting/host/register_support_host_request.h"
+#include "remoting/host/screen_saver_blocker.h"
 #include "remoting/host/service_urls.h"
 #include "remoting/protocol/auth_util.h"
 #include "remoting/protocol/chromium_port_allocator_factory.h"
@@ -272,6 +273,8 @@ void It2MeHost::FinishConnect() {
   host_status_logger_.reset(
       new HostStatusLogger(host_->AsWeakPtr(), ServerLogEntry::IT2ME,
                            signal_strategy_.get(), directory_bot_jid_));
+  screen_saver_blocker_.reset(

[Sergey Ulanov, 2016/07/08 21:31:46]

Do we want power-save blocker for It2Me host? I'm not sure it's useful in this
scenario.

[Hzj_jie, 2016/07/10 22:04:57]

Emmm, good point.

+      new ScreenSaverBlocker(host_->AsWeakPtr(), host_context_->Copy()));
 
   // Create event logger.
   host_event_logger_ =