Display "Restart to update" dialog to Chrome OS users.

chrome/browser/browser_shutdown.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 "chrome/browser/browser_shutdown.h"
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
@@ skipping 257 matching lines @@
     // We can't use prefs since all services are shutdown at this point.
     TimeDelta shutdown_delta = Time::Now() - *g_shutdown_started;
     std::string shutdown_ms =
         base::Int64ToString(shutdown_delta.InMilliseconds());
     int len = static_cast<int>(shutdown_ms.length()) + 1;
     base::FilePath shutdown_ms_file = GetShutdownMsPath();
     base::WriteFile(shutdown_ms_file, shutdown_ms.c_str(), len);
   }
 
 #if defined(OS_CHROMEOS)
-  chrome::NotifyAndTerminate(false);
+  chrome::NotifyAndTerminate(/*fast_path=*/false,/*always_reboot=*/false);

[James Cook, 2016/11/30 23:01:41]

nit: chrome/browser usually does (false /* fast_path */) or declares const bool
fast_path = false;

[Greg K, 2016/12/01 19:44:43]

Done.

 #endif
 }
 #endif  // !defined(OS_ANDROID)
 
 void ReadLastShutdownFile(ShutdownType type,
                           int num_procs,
                           int num_procs_slow) {
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 
   base::FilePath shutdown_ms_file = GetShutdownMsPath();
@@ skipping 89 matching lines @@
     base::trace_event::TraceConfig trace_config(
         command_line.GetSwitchValueASCII(switches::kTraceShutdown), "");
     content::TracingController::GetInstance()->StartTracing(
         trace_config,
         content::TracingController::StartTracingDoneCallback());
   }
   TRACE_EVENT0("shutdown", "StartShutdownTracing");
 }
 
 }  // namespace browser_shutdown