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

chrome/browser/background/background_mode_manager_unittest.cc

 // Copyright (c) 2011 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 "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/background/background_mode_manager.h"
 #include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
@@ skipping 66 matching lines @@
   EXPECT_TRUE(manager.IsLaunchOnStartup());
 }
 
 static void AssertBackgroundModeInactive(
     const TestBackgroundModeManager& manager) {
   EXPECT_FALSE(chrome::WillKeepAlive());
   EXPECT_FALSE(manager.HaveStatusTray());
   EXPECT_FALSE(manager.IsLaunchOnStartup());
 }
 
+static void AssertBackgroundModeSuspended(
+    const TestBackgroundModeManager& manager) {
+  EXPECT_FALSE(chrome::WillKeepAlive());
+  EXPECT_FALSE(manager.HaveStatusTray());
+  EXPECT_TRUE(manager.IsLaunchOnStartup());
+}
+
 TEST_F(BackgroundModeManagerTest, BackgroundAppLoadUnload) {
   TestingProfile* profile = profile_manager_.CreateTestingProfile("p1");
   TestBackgroundModeManager manager(
       command_line_.get(), profile_manager_.profile_info_cache(), true);
   manager.RegisterProfile(profile);
   EXPECT_FALSE(chrome::WillKeepAlive());
 
   // Mimic app load.
   manager.OnBackgroundAppInstalled(NULL);
   manager.SetBackgroundAppCount(1);
   manager.OnApplicationListChanged(profile);
   AssertBackgroundModeActive(manager);
 
+  manager.SuspendBackgroundMode();
+  AssertBackgroundModeSuspended(manager);
+  manager.ResumeBackgroundMode();
+
   // Mimic app unload.
   manager.SetBackgroundAppCount(0);
   manager.OnApplicationListChanged(profile);
   AssertBackgroundModeInactive(manager);
+
+  manager.SuspendBackgroundMode();
+  AssertBackgroundModeInactive(manager);
+
+  // Mimic app load while suspended.
+  manager.OnBackgroundAppInstalled(NULL);
+  manager.SetBackgroundAppCount(1);
+  manager.OnApplicationListChanged(profile);
+  AssertBackgroundModeSuspended(manager);
+
 }
 
 // App installs while background mode is disabled should do nothing.
 TEST_F(BackgroundModeManagerTest, BackgroundAppInstallUninstallWhileDisabled) {
   TestingProfile* profile = profile_manager_.CreateTestingProfile("p1");
   TestBackgroundModeManager manager(
       command_line_.get(), profile_manager_.profile_info_cache(), true);
   manager.RegisterProfile(profile);
   // Turn off background mode.
   manager.SetEnabled(false);
@@ skipping 189 matching lines @@
 
 TEST_F(BackgroundModeManagerTest,
        BackgroundModeDisabledPreventsKeepAliveOnStartup) {
   TestingProfile* profile1 = profile_manager_.CreateTestingProfile("p1");
   command_line_->AppendSwitch(switches::kKeepAliveForTest);
   TestBackgroundModeManager manager(
       command_line_.get(), profile_manager_.profile_info_cache(), false);
   manager.RegisterProfile(profile1);
   EXPECT_FALSE(manager.ShouldBeInBackgroundMode());
 }