Mac: reform our shutdown routine.

chrome/browser/browser_shutdown.cc

 // Copyright (c) 2009 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 <string>
 
 #include "app/resource_bundle.h"
 #include "base/file_path.h"
@@ skipping 23 matching lines @@
 
 #if defined(OS_WIN)
 #include "chrome/browser/rlz/rlz.h"
 #endif
 
 using base::Time;
 using base::TimeDelta;
 
 namespace browser_shutdown {
 
+#if defined(OS_MACOSX)
+// Whether the browser is trying to quit (e.g., Quit chosen from menu).
+bool g_trying_to_quit = false;
+#endif  // OS_MACOSX
+
 Time shutdown_started_;
 ShutdownType shutdown_type_ = NOT_VALID;
 int shutdown_num_processes_;
 int shutdown_num_processes_slow_;
 
 bool delete_resources_on_shutdown = true;
 
 const char kShutdownMsFile[] = "chrome_shutdown_ms.txt";
 
 void RegisterPrefs(PrefService* local_state) {
@@ skipping 165 matching lines @@
   prefs->SetInteger(prefs::kShutdownNumProcesses, 0);
   prefs->SetInteger(prefs::kShutdownNumProcessesSlow, 0);
 
   // Read and delete the file on the file thread.
   ChromeThread::PostTask(
       ChromeThread::FILE, FROM_HERE,
       NewRunnableFunction(
           &ReadLastShutdownFile, type, num_procs, num_procs_slow));
 }
 
+#if defined(OS_MACOSX)
+void SetTryingToQuit(bool quitting) {
+  g_trying_to_quit = quitting;
+}
+
+bool IsTryingToQuit() {
+  return g_trying_to_quit;
+}
+#endif
+
 }  // namespace browser_shutdown