[Mac] Make --apps-keep-chrome-alive on by default.

chrome/common/chrome_switches.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/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 1323 matching lines @@
 const char kMigrateDataDirForSxS[]          = "migrate-data-dir-for-sxs";
 
 // Allows sending text-to-speech requests to speech-dispatcher, a common
 // Linux speech service. Because it's buggy, the user must explicitly
 // enable it so that visiting a random webpage can't cause instability.
 const char kEnableSpeechDispatcher[] = "enable-speech-dispatcher";
 #endif  // defined(OS_LINUX) && !defined(OS_CHROMEOS)
 
 #if defined(OS_MACOSX)
 // Prevents Chrome from quitting when Chrome Apps are open.
-const char kAppsKeepChromeAlive[]           = "apps-keep-chrome-alive";
+const char kAppsKeepChromeAliveInTests[]    = "apps-keep-chrome-alive-in-tests";
 
 // Forcibly disables Lion-style on newer OSes, to allow developers to test the
 // older, SnowLeopard-style fullscreen.
 const char kDisableSystemFullscreenForTesting[] =
     "disable-system-fullscreen-for-testing";
 
 // Enables a simplified fullscreen UI on Mac.
 const char kEnableSimplifiedFullscreen[]    = "enable-simplified-fullscreen";
 
 // A process type (switches::kProcessType) that relaunches the browser. See
@@ skipping 62 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches