Delete "shutdown without closing browsers" path

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 <map>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 44 matching lines @@
 using base::Time;
 using base::TimeDelta;
 using content::BrowserThread;
 
 namespace browser_shutdown {
 namespace {
 
 // Whether the browser is trying to quit (e.g., Quit chosen from menu).
 bool g_trying_to_quit = false;
 
-// Whether the browser should quit without closing browsers.
-bool g_shutting_down_without_closing_browsers = false;
-
 #if defined(OS_WIN)
 upgrade_util::RelaunchMode g_relaunch_mode =
     upgrade_util::RELAUNCH_MODE_DEFAULT;
 #endif
 
 Time* shutdown_started_ = NULL;
 ShutdownType shutdown_type_ = NOT_VALID;
 int shutdown_num_processes_;
 int shutdown_num_processes_slow_;
 
@@ skipping 261 matching lines @@
 }
 
 void SetTryingToQuit(bool quitting) {
   g_trying_to_quit = quitting;
 }
 
 bool IsTryingToQuit() {
   return g_trying_to_quit;
 }
 
-bool ShuttingDownWithoutClosingBrowsers() {
-  return g_shutting_down_without_closing_browsers;
-}
-
-void SetShuttingDownWithoutClosingBrowsers(bool without_close) {
-  g_shutting_down_without_closing_browsers = without_close;
-}
-
 }  // namespace browser_shutdown