Leave apps running on Windows and Linux when quitting Chrome from the wrench menu.

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 "ash/shell.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
@@ skipping 69 matching lines @@
 #endif
 
 }  // namespace
 
 void MarkAsCleanShutdown() {
   // TODO(beng): Can this use ProfileManager::GetLoadedProfiles() instead?
   for (chrome::BrowserIterator it; !it.done(); it.Next())
     it->profile()->SetExitType(Profile::EXIT_NORMAL);
 }
 
-void AttemptExitInternal() {
+void AttemptExitInternal(bool try_to_quit_application) {
+  // On Mac, the platform-specific part handles setting this.
+#if !defined(OS_MACOSX)
+  if (try_to_quit_application)
+    browser_shutdown::SetTryingToQuit(true);
+#endif
+
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_CLOSE_ALL_BROWSERS_REQUEST,
       content::NotificationService::AllSources(),
       content::NotificationService::NoDetails());
 
   g_browser_process->platform_part()->AttemptExit();
 }
 
+void CloseAllBrowsersAndQuit() {
+  browser_shutdown::SetTryingToQuit(true);
+  CloseAllBrowsers();
+}
+
 void CloseAllBrowsers() {
-  // If there are no browsers, send the APP_TERMINATING action here. Otherwise,
-  // it will be sent by RemoveBrowser() when the last browser has closed.
+  // If there are no browsers and closing the last browser would quit the
+  // application, send the APP_TERMINATING action here. Otherwise, it will be
+  // sent by RemoveBrowser() when the last browser has closed.
   if (browser_shutdown::ShuttingDownWithoutClosingBrowsers() ||
-      chrome::GetTotalBrowserCount() == 0) {
+      (chrome::GetTotalBrowserCount() == 0 &&
+       (browser_shutdown::IsTryingToQuit() || !chrome::WillKeepAlive() ||
+        CommandLine::ForCurrentProcess()->HasSwitch(
+            switches::kDisableBatchedShutdown)))) {
     // Tell everyone that we are shutting down.
     browser_shutdown::SetTryingToQuit(true);
 
 #if defined(ENABLE_SESSION_SERVICE)
     // If ShuttingDownWithoutClosingBrowsers() returns true, the session
     // services may not get a chance to shut down normally, so explicitly shut
     // them down here to ensure they have a chance to persist their data.
     ProfileManager::ShutdownSessionServices();
 #endif
 
@@ skipping 33 matching lines @@
   }
   g_session_manager_requested_shutdown = false;
   // On ChromeOS, always terminate the browser, regardless of the result of
   // AreAllBrowsersCloseable(). See crbug.com/123107.
   chrome::NotifyAndTerminate(true);
 #else
   // Reset the restart bit that might have been set in cancelled restart
   // request.
   PrefService* pref_service = g_browser_process->local_state();
   pref_service->SetBoolean(prefs::kRestartLastSessionOnShutdown, false);
-  AttemptExitInternal();
+  AttemptExitInternal(false);
 #endif
 }
 
 void StartShutdownTracing() {
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(switches::kTraceShutdown)) {
     base::debug::CategoryFilter category_filter(
         command_line.GetSwitchValueASCII(switches::kTraceShutdown));
     base::debug::TraceLog::GetInstance()->SetEnabled(
         category_filter,
@@ skipping 38 matching lines @@
 void AttemptExit() {
   // If we know that all browsers can be closed without blocking,
   // don't notify users of crashes beyond this point.
   // Note that MarkAsCleanShutdown() does not set UMA's exit cleanly bit
   // so crashes during shutdown are still reported in UMA.
 #if !defined(OS_ANDROID)
   // Android doesn't use Browser.
   if (AreAllBrowsersCloseable())
     MarkAsCleanShutdown();
 #endif
-  AttemptExitInternal();
+  AttemptExitInternal(true);
 }
 
 #if defined(OS_CHROMEOS)
 // A function called when SIGTERM is received.
 void ExitCleanly() {
   // We always mark exit cleanly because SessionManager may kill
   // chrome in 3 seconds after SIGTERM.
   g_browser_process->EndSession();
 
   // Don't block when SIGTERM is received. AreaAllBrowsersCloseable()
   // can be false in following cases. a) power-off b) signout from
   // screen locker.
   if (!AreAllBrowsersCloseable())
     browser_shutdown::OnShutdownStarting(browser_shutdown::END_SESSION);
-  AttemptExitInternal();
+  AttemptExitInternal(true);
 }
 #endif
 
 void SessionEnding() {
   // This is a time-limited shutdown where we need to write as much to
   // disk as we can as soon as we can, and where we must kill the
   // process within a hang timeout to avoid user prompts.
 
   // 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
@@ skipping 138 matching lines @@
   //    environment is still active.
   if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_NATIVE)
     return !ash::Shell::HasInstance();
   else if (browser->host_desktop_type() == chrome::HOST_DESKTOP_TYPE_ASH)
     return BrowserList::GetInstance(chrome::HOST_DESKTOP_TYPE_NATIVE)->empty();
 #endif
   return true;
 }
 
 }  // namespace chrome