Record mode of endsession in watcher.

chrome/chrome_watcher/chrome_watcher_main.cc

 // Copyright (c) 2014 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 <windows.h>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
@@ skipping 98 matching lines @@
     return false;
   }
 
   return true;
 }
 
 void BrowserMonitor::OnEndSession(LPARAM lparam) {
   DCHECK_EQ(main_thread_, base::MessageLoopProxy::current());
 
   exit_funnel_.RecordEvent(L"WatcherLogoff");
+  if (lparam & ENDSESSION_CLOSEAPP)
+    exit_funnel_.RecordEvent(L"ES_CloseApp");
+  if (lparam & ENDSESSION_CRITICAL)
+    exit_funnel_.RecordEvent(L"ES_Critical");
+  if (lparam & ENDSESSION_LOGOFF)
+    exit_funnel_.RecordEvent(L"ES_Logoff");
+  const LPARAM kKnownBits =
+      ENDSESSION_CLOSEAPP | ENDSESSION_CRITICAL | ENDSESSION_LOGOFF;
+  if (lparam & ~kKnownBits)
+    exit_funnel_.RecordEvent(L"ES_Other");
 
   // Belt-and-suspenders; make sure our message loop exits ASAP.
   if (browser_exited_)
     run_loop_->Quit();
 }
 
 void BrowserMonitor::Watch() {
   // This needs to run on an IO thread.
   DCHECK_NE(main_thread_, base::MessageLoopProxy::current());
 
@@ skipping 60 matching lines @@
 
   // Wind logging down.
   logging::LogEventProvider::Uninitialize();
 
   return 0;
 }
 
 static_assert(base::is_same<decltype(&WatcherMain),
                             browser_watcher::WatcherMainFunction>::value,
               "WatcherMain() has wrong type");