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

remoting/host/it2me/it2me_host.h

 // Copyright 2013 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.
 
 #ifndef REMOTING_HOST_IT2ME_IT2ME_HOST_H_
 #define REMOTING_HOST_IT2ME_IT2ME_HOST_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 17 matching lines @@
 
 class ChromotingHost;
 class ChromotingHostContext;
 class DesktopEnvironmentFactory;
 class HostEventLogger;
 class HostNPScriptObject;
 class HostStatusLogger;
 class PolicyWatcher;
 class RegisterSupportHostRequest;
 class RsaKeyPair;
+class ScreenSaverBlocker;
 
 // These state values are duplicated in host_session.js and the Android Java
 // It2MeObserver class. Remember to update all copies when making changes.
 enum It2MeHostState {
   kDisconnected,
   kStarting,
   kRequestedAccessCode,
   kReceivedAccessCode,
   kConnected,
   kError,
@@ skipping 101 matching lines @@
   std::string directory_bot_jid_;
 
   It2MeHostState state_;
 
   scoped_refptr<RsaKeyPair> host_key_pair_;
   std::unique_ptr<SignalStrategy> signal_strategy_;
   std::unique_ptr<RegisterSupportHostRequest> register_request_;
   std::unique_ptr<HostStatusLogger> host_status_logger_;
   std::unique_ptr<DesktopEnvironmentFactory> desktop_environment_factory_;
   std::unique_ptr<HostEventLogger> host_event_logger_;
+  std::unique_ptr<ScreenSaverBlocker> screen_saver_blocker_;
 
   std::unique_ptr<ChromotingHost> host_;
   int failed_login_attempts_;
 
   std::unique_ptr<PolicyWatcher> policy_watcher_;
   std::unique_ptr<It2MeConfirmationDialogFactory> confirmation_dialog_factory_;
   std::unique_ptr<It2MeConfirmationDialogProxy> confirmation_dialog_proxy_;
 
   // Host the current nat traversal policy setting.
   bool nat_traversal_enabled_;
@@ skipping 37 matching lines @@
       const std::string& directory_bot_jid);
 
  private:
   policy::PolicyService* policy_service_;
   DISALLOW_COPY_AND_ASSIGN(It2MeHostFactory);
 };
 
 }  // namespace remoting
 
 #endif  // REMOTING_HOST_IT2ME_IT2ME_HOST_H_