Record shutdown type UMA

chrome/browser/lifetime/application_lifetime.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/lifetime/application_lifetime.h"
 
 #include <memory>
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 289 matching lines @@
   base::ThreadRestrictions::ScopedAllowIO allow_io;
 
   // Start watching for hang during shutdown, and crash it if takes too long.
   // We disarm when |shutdown_watcher| object is destroyed, which is when we
   // exit this function.
   ShutdownWatcherHelper shutdown_watcher;
   shutdown_watcher.Arm(base::TimeDelta::FromSeconds(90));
 
   browser_shutdown::OnShutdownStarting(browser_shutdown::END_SESSION);
 
+  // In a clean shutdown, browser_shutdown::OnShutdownStarting sets
+  // g_shutdown_type, and browser_shutdown::ShutdownPreThreadsStop calls
+  // RecordShutdownInfoPrefs to update the pref with the value. However, here
+  // the process is going to exit without calling ShutdownPreThreadsStop.
+  // Instead, here we call RecordShutdownInfoPrefs to record the shutdown info.
+  browser_shutdown::RecordShutdownInfoPrefs();
+
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
       content::NotificationService::AllSources(),
       content::NotificationService::NoDetails());
 
   // Write important data first.
   g_browser_process->EndSession();
 
 #if defined(OS_WIN)
   base::win::SetShouldCrashOnProcessDetach(false);
@@ skipping 70 matching lines @@
 void OnAppExiting() {
   static bool notified = false;
   if (notified)
     return;
   notified = true;
   HandleAppExitingForPlatform();
 }
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace chrome