Do nothing on OnSessionStopped if ARC is being restarted.

components/arc/arc_session_observer.h

 // Copyright 2016 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 COMPONENTS_ARC_ARC_SESSION_OBSERVER_H_
 #define COMPONENTS_ARC_ARC_SESSION_OBSERVER_H_
 
 #include <ostream>
 
 namespace arc {
@@ skipping 11 matching lines @@
     // failures on bootstrapping IPC channels with Android.
     GENERIC_BOOT_FAILURE,
 
     // The device is critically low on disk space.
     LOW_DISK_SPACE,
 
     // ARC instance has crashed.
     CRASH,
   };
 
   virtual ~ArcSessionObserver() = default;

[Yusuke Sato, 2017/02/28 21:07:17]

nit: same

[hidehiko, 2017/03/01 09:10:05]

Done.

 
   // Called when the connection with ARC instance has been established.
   virtual void OnSessionReady() {}
 
   // Called when ARC instance is stopped. This is called exactly once
   // per instance which is Start()ed.
-  virtual void OnSessionStopped(StopReason reason) {}
+  // If ARC instance is being restarted, |restarting| is true. Otherwise false.
+  virtual void OnSessionStopped(StopReason reason, bool restarting) {}
 };
 
 // Defines "<<" operator for LOGging purpose.
 std::ostream& operator<<(std::ostream& os,
                          ArcSessionObserver::StopReason reason);
 
 }  // namespace arc
 
 #endif  // COMPONENTS_ARC_ARC_SESSION_OBSERVER_H_