Add ExitFunnel instrumentation to browser rendezvous path.

chrome/browser/chrome_browser_main.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/chrome_browser_main.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 158 matching lines @@
 #include "chrome/browser/chrome_browser_main_win.h"
 #include "chrome/browser/chrome_select_file_dialog_factory_win.h"
 #include "chrome/browser/component_updater/caps_installer_win.h"
 #include "chrome/browser/component_updater/sw_reporter_installer_win.h"
 #include "chrome/browser/first_run/try_chrome_dialog_view.h"
 #include "chrome/browser/first_run/upgrade_util_win.h"
 #include "chrome/browser/ui/network_profile_bubble.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/shell_util.h"
+#include "components/browser_watcher/exit_funnel_win.h"
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/gfx/win/dpi.h"
 #include "ui/shell_dialogs/select_file_dialog.h"
 #endif  // defined(OS_WIN)
 
 #if defined(OS_MACOSX)
 #include <Security/Security.h>
 
 #include "base/mac/scoped_nsautorelease_pool.h"
@@ skipping 269 matching lines @@
 #endif
 
   cus->Start();
 }
 
 #if !defined(OS_ANDROID)
 bool ProcessSingletonNotificationCallback(
     const base::CommandLine& command_line,
     const base::FilePath& current_directory) {
   // Drop the request if the browser process is already in shutdown path.
-  if (!g_browser_process || g_browser_process->IsShuttingDown())
+  if (!g_browser_process || g_browser_process->IsShuttingDown()) {
+#if defined(OS_WIN)
+    browser_watcher::ExitFunnel::RecordSingleEvent(
+        chrome::kBrowserExitCodesRegistryPath,
+        L"ProcessSingletonIsShuttingDown");
+#endif
+
     return false;
+  }
 
   if (command_line.HasSwitch(switches::kOriginalProcessStartTime)) {
     std::string start_time_string =
         command_line.GetSwitchValueASCII(switches::kOriginalProcessStartTime);
     int64 remote_start_time;
     if (base::StringToInt64(start_time_string, &remote_start_time)) {
       base::TimeDelta elapsed =
           base::Time::Now() - base::Time::FromInternalValue(remote_start_time);
       if (command_line.HasSwitch(switches::kFastStart)) {
         UMA_HISTOGRAM_LONG_TIMES(
@@ skipping 1242 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }